Trojan.Generic.7264841 (BitDefender), Worm:Win32/Rebhip.A (Microsoft), Trojan-Dropper.Win32.Injector.bpbt (Kaspersky), Trojan.Win32.Generic!BT (VIPRE), Trojan.DownLoader5.31084 (DrWeb), Gen.Variant.MSILKrypt!IK (Emsisoft), a variant of MSIL/TrojanDropper.Agent.KB (NOD32), Generic Dropper!1jz (McAfee), Trojan.Gen (Symantec), Gen.Variant.MSILKrypt (Ikarus), Trojan.Generic.7264841 (FSecure), Dropper.Generic5.ONE (AVG), Win32:Malware-gen (Avast), TROJ_GEN.RC1C7AG (TrendMicro), Trojan.Win32.IEDummy.FD, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, Trojan, Worm
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 060172b5f6cc35feaae139ce8e6da252
SHA1: 049fe8f9394137bb1a81df24233e33e9fc6891ff
SHA256: be1aa515dbf539c0289797416e4ec508ce98450df89fbf724c71ad1e129f26a6
SSDeep: 12288:Rf9YpK6rY7AMOVOPdStiIo0o/n1PFpy1T2GR:RFerYnOVsdLf1dpyj
Size: 471040 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2012-01-03 15:09:56
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
file1.exe:1656
WIN.exe:1396
%original file name%.exe:640
The Trojan injects its code into the following process(es):
iexplore.exe:364
File activity
The process file1.exe:1656 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\adm2.txt (230 bytes)
%System%\install\WIN.exe (1425 bytes)
The process iexplore.exe:364 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\admlog.dat (15 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\adm8 (32 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\adm7 (13640 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\adm2.txt (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\adm7 (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\adm8 (0 bytes)
The process %original file name%.exe:640 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\file1.exe (296 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\file1.exe (0 bytes)
Registry activity
The process file1.exe:1656 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "81 F4 11 8B C4 F6 7C 94 A4 55 D3 3D 05 3F DB E3"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{08M4LLUY-635T-81HA-8WYM-SX4OUS60R20W}]
"StubPath" = "%System%\install\WIN.exe Restart"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run]
"Policies" = "%System%\install\WIN.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run]
"Policies" = "%System%\install\WIN.exe"
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%System%\install\WIN.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%System%\install\WIN.exe"
The process WIN.exe:1396 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "86 06 FF 9D CD D9 38 5B 4C 24 44 96 FA 4C BB 2E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
The process iexplore.exe:364 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B1 C5 BA B5 88 C2 AE 6A 20 01 5B 99 1B FC C0 6C"
[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\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[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"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%\install]
"WIN.exe" = "WIN"
[HKCU\Software\JAN3]
"FirstExecution" = "20/01/2014 -- 04:39"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\JAN3]
"NewIdentification" = "JAN3"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
The Trojan 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:
"UNCAsIntranet" = "1"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process %original file name%.exe:640 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6B 9B A5 AA C2 35 3E C6 3C 8A 39 FA 4C A4 CA 1E"
[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"
[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"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Local Settings\Temp]
"file1.exe" = "file1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The Trojan 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:
"UNCAsIntranet" = "1"
The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:
"IntranetName" = "1"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
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):
file1.exe:1656
WIN.exe:1396
%original file name%.exe:640 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\adm2.txt (230 bytes)
%System%\install\WIN.exe (1425 bytes)
%Documents and Settings%\%current user%\Application Data\admlog.dat (15 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\adm8 (32 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\adm7 (13640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\file1.exe (296 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"HKCU" = "%System%\install\WIN.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"HKLM" = "%System%\install\WIN.exe" - Reboot the computer.