UDS:DangerousObject.Multi.Generic (Kaspersky), Worm.Win32.Ainslot!IK (Emsisoft), Trojan.Win32.Delphi.FD, Trojan.Win32.Sasfis.FD, VirTool.Win32.DelfInject.FD, Worm.Win32.Ainslot.VB.FD, WormAinslot_VariantOfZeus.YR, GenericAutorunWorm.YR, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan, Worm, VirTool, WormAutorun
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 45f2f4c4be8931861c07bea4d660c65d
SHA1: 5350891b2e3380c14ca9f4f988082bbb321ff29d
SHA256: 79453e53a298d8301ccbedbe8459fe8c5727d5de8f9a1d09dde9f37be90cf42e
SSDeep: 24576:nyycxd5m3Fv0/2Z ohhhs6G C7 4ws2OrF4LM:nZsm3Sa 0hhs5N7XlRF
Size: 947727 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: StarApp
Created at: 2013-04-16 10:33:27
Analyzed on: WindowsXP SP3 32-bit
Summary: Worm. A program that is primarily replicating on networks or removable drives.
Dynamic Analysis
Payload
Behaviour | Description |
---|---|
WormAutorun | A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Worm's file once a user opens a drive's folder in Windows Explorer. |
Process activity
The Worm creates the following process(es):
reg.exe:1068
reg.exe:1760
reg.exe:1564
reg.exe:872
winhost.exe:648
winhost.exe:1140
winhost.exe:1124
winhost.exe:456
iexplore.exe:1532
iexplore.exe:2040
iexplore.exe:1080
iexplore.exe:452
iexplore.exe:1628
iexplore.exe:1500
iexplore.exe:1520
iexplore.exe:1468
iexplore.exe:1452
iexplore.exe:1484
iexplore.exe:1744
iexplore.exe:648
iexplore.exe:1676
iexplore.exe:1664
iexplore.exe:528
iexplore.exe:248
iexplore.exe:1512
%original file name%.exe:216
%original file name%.exe:1976
The Worm injects its code into the following process(es):
560webhost.exe:356
iexplore.exe:900
847bspers.exe:280
File activity
The process winhost.exe:648 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.nfo (3 bytes)
The Worm deletes the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.nfo (0 bytes)
The process winhost.exe:1124 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.nfo (3 bytes)
The Worm deletes the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.svr (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\x.html (0 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.nfo (0 bytes)
The process 847bspers.exe:280 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\bspers.exe (161 bytes)
%Documents and Settings%\%current user%\Application Data\noinstall (34 bytes)
The process %original file name%.exe:1976 makes changes in the file system.
The Worm creates and/or writes to the following file(s):
%System%\560webhost.exe (157 bytes)
%System%\560webhost.exe.exe (4 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe (7345 bytes)
%System%\847bspers.exe (181 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.dat (298 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.nfo (3 bytes)
%System%\847bspers.exe.exe (4 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.svr (1651 bytes)
The Worm deletes the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.svr (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\x.html (0 bytes)
Registry activity
The process reg.exe:1068 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F0 73 06 25 68 23 F8 DB 9E F5 9F 72 EC 6D 09 5B"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
The process reg.exe:1760 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B1 16 FA 95 8E E9 2D 97 84 5F 8D FB 92 93 FB 04"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
The process reg.exe:1564 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "FE 7F C6 42 58 AC EF 77 31 91 7F 4D 83 CE 26 74"
Adds a rule to the firewall Windows which allows any network activity:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%Documents and Settings%\%current user%\Application Data]
"bspers.exe" = "%Documents and Settings%\%current user%\Application Data\bspers.exe:*:Enabled:Windows Messanger"
The process reg.exe:872 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A7 F3 C7 EF 82 8C E6 B7 20 6B CB C5 CB B1 B7 E2"
Adds a rule to the firewall Windows which allows any network activity:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%System%]
"847bspers.exe" = "%System%\847bspers.exe:*:Enabled:Windows Messanger"
The process 560webhost.exe:356 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C1 A5 D1 C3 B4 3E 60 F2 F4 01 7E 84 EF D4 14 41"
The process winhost.exe:648 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7D 09 3F 35 AF 25 A2 F8 6D 26 EE 3E C7 D6 E1 17"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
The process winhost.exe:1140 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E6 EB 05 2B F0 1C 92 31 41 16 4F A6 44 44 E0 EE"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Templates" = "%Documents and Settings%\%current user%\Templates"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process winhost.exe:1124 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Bs3kVDkr1FPY]
"ServerStarted" = "12/13/2013 6:41:14 AM"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{41K2X672-0Y1F-0AXL-4TT0-2CLY2H32D027}]
"StubPath" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe restart"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"
[HKCU\Software\1124]
"Mutex" = "Bs3kVDkr1FPY"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"
[HKCU\Software\Bs3kVDkr1FPY]
"InstalledServer" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "80 2F 2E CF 4D CD 4C 9D 3B 70 BA 67 88 C7 0B 1E"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
The process winhost.exe:456 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "92 48 89 32 C0 F4 27 88 13 F7 38 32 D3 21 51 25"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Templates" = "%Documents and Settings%\%current user%\Templates"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process iexplore.exe:900 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5C 66 10 E6 92 01 10 DC DD C0 25 81 04 F5 7F 14"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{41K2X672-0Y1F-0AXL-4TT0-2CLY2H32D027}]
"StubPath" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe restart"
To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
The Worm deletes the following registry key(s):
[HKCU\Software\1124]
The process 847bspers.exe:280 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BB 9B 32 87 9F E1 C5 9A 10 8C 8D 9C A3 3F C6 BC"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{BD1DBCAB-4EFF-A63E-DFDE-BDBD2FDDBAAF}]
"StubPath" = "%Documents and Settings%\%current user%\Application Data\bspers.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run]
"iTunes" = "%Documents and Settings%\%current user%\Application Data\bspers.exe"
[HKCU\Software\VB and VBA Program Settings\INSTALL\DATE]
"Z8WZMQENKH" = "December 13, 2013"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Active Setup\Installed Components\{BD1DBCAB-4EFF-A63E-DFDE-BDBD2FDDBAAF}]
"StubPath" = "%Documents and Settings%\%current user%\Application Data\bspers.exe"
[HKCU\Software\VB and VBA Program Settings\SrvID\ID]
"Z8WZMQENKH" = "bspers"
To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"iTunes" = "%Documents and Settings%\%current user%\Application Data\bspers.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"iTunes" = "%Documents and Settings%\%current user%\Application Data\bspers.exe"
The process %original file name%.exe:216 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8A C6 4A 76 2F C4 5E 0D 2B 28 25 84 35 A5 C3 7A"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Templates" = "%Documents and Settings%\%current user%\Templates"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The process %original file name%.exe:1976 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Application Data\Microsoft]
"winhost.exe" = "LibreOffice Calc"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Bs3kVDkr1FPY]
"ServerStarted" = "12/13/2013 6:41:01 AM"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"560webhost.exe" = "560webhost"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{41K2X672-0Y1F-0AXL-4TT0-2CLY2H32D027}]
"StubPath" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe restart"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"847bspers.exe" = "847bspers"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"
[HKCU\Software\Bs3kVDkr1FPY]
"InstalledServer" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3F 40 B6 42 AC 8B 0E 2A 74 76 AD D7 34 75 97 D9"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
The Worm modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"
The Worm modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
"ProxyBypass" = "1"
To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
The Worm modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
To automatically run itself each time Windows is booted, the Worm adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Worm's file once a user opens a drive's folder in Windows Explorer.
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
reg.exe:1068
reg.exe:1760
reg.exe:1564
reg.exe:872
winhost.exe:648
winhost.exe:1140
winhost.exe:1124
winhost.exe:456
iexplore.exe:1532
iexplore.exe:2040
iexplore.exe:1080
iexplore.exe:452
iexplore.exe:1628
iexplore.exe:1500
iexplore.exe:1520
iexplore.exe:1468
iexplore.exe:1452
iexplore.exe:1484
iexplore.exe:1744
iexplore.exe:648
iexplore.exe:1676
iexplore.exe:1664
iexplore.exe:528
iexplore.exe:248
iexplore.exe:1512
%original file name%.exe:216
%original file name%.exe:1976 - Delete the original Worm file.
- Delete or disinfect the following files created/modified by the Worm:
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.nfo (3 bytes)
%Documents and Settings%\%current user%\Application Data\bspers.exe (161 bytes)
%Documents and Settings%\%current user%\Application Data\noinstall (34 bytes)
%System%\560webhost.exe (157 bytes)
%System%\560webhost.exe.exe (4 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe (7345 bytes)
%System%\847bspers.exe (181 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.dat (298 bytes)
%System%\847bspers.exe.exe (4 bytes)
%Documents and Settings%\%current user%\Application Data\Microsoft\Windows\Bs3kVDkr1FPY\Bs3kVDkr1FPY.svr (1651 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%Documents and Settings%\%current user%\Application Data\Microsoft\winhost.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"iTunes" = "%Documents and Settings%\%current user%\Application Data\bspers.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"iTunes" = "%Documents and Settings%\%current user%\Application Data\bspers.exe" - Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- Reboot the computer.