UDS:DangerousObject.Multi.Generic (Kaspersky), Worm.Win32.Ainslot!IK (Emsisoft), Worm.Win32.Ainslot.VB.FD, GenericAutorunWorm.YR, WormAinslot_VariantOfZeus.YR (Lavasoft MAS)Behaviour: Worm, WormAutorun
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: ff5183e3baef0551f003459b811b2249
SHA1: 89979203fee62e03f3663d71a33637ce6f7cc81a
SHA256: cbafbe5acf538983fa771c336c2e945a0ebc434d5c845e77521d0d1ff2fc5e17
SSDeep: 6144:Yxo5N4BLLGjwUDf1z9Ws4pHecdI4CDpeVAALRbtzBtuhpQbvW 8r8xXh1f2FuVzo:bELL8znWtpi4CgVAAdhuh
Size: 323584 bytes
File type: PE32
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: SetupManager
Created at: 2013-08-04 19:21:40
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):
ff5183e3baef0551f003459b811b2249.exe:548
reg.exe:420
reg.exe:528
reg.exe:948
reg.exe:1836
The Worm injects its code into the following process(es):
vbc.exe:1060
File activity
The process ff5183e3baef0551f003459b811b2249.exe:548 makes changes in a file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Prox\uhIeqG.exe (1425 bytes)
The process vbc.exe:1060 makes changes in a file system.
The Worm creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Sert.exe (3860 bytes)
%Documents and Settings%\%current user%\Application Data\DAVID (32 bytes)
Registry activity
The process ff5183e3baef0551f003459b811b2249.exe:548 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "88 93 62 C5 D4 B7 56 A3 64 D8 C5 D0 64 A0 A5 F9"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
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]
"fVjtcc" = "%Documents and Settings%\%current user%\Application Data\Prox\uhIeqG.exe"
The process reg.exe:420 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A9 0D 65 FB EA BB 5B 9A 14 4E 45 49 14 8F 1C 2C"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
The process reg.exe:528 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CF 03 94 9B F2 37 AB 53 FB DB 5A C6 FF 83 77 96"
Adds a rule to the firewall Windows which allows any network activity:
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\Microsoft.NET\Framework\v2.0.50727]
"vbc.exe" = "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger"
The process reg.exe:948 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C 99 0F 02 79 38 8A 6A D5 D2 6F DF 04 4E 19 25"
[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"
The process reg.exe:1836 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B3 79 F3 FD A5 43 90 07 84 E9 5D 90 D8 83 18 80"
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]
"Sert.exe" = "%Documents and Settings%\%current user%\Application Data\Sert.exe:*:Enabled:Windows Messanger"
The process vbc.exe:1060 makes changes in a system registry.
The Worm creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2C 54 D7 D9 EE 67 C5 5A E5 C4 79 9B 9C 51 D6 CF"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\VB and VBA Program Settings\SrvID\ID]
"5XUDCBQUYW" = "N E O"
[HKCU\Software\VB and VBA Program Settings\INSTALL\DATE]
"5XUDCBQUYW" = "August 8, 2013"
Network activity (URLs)
No activity has 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):
ff5183e3baef0551f003459b811b2249.exe:548
reg.exe:420
reg.exe:528
reg.exe:948
reg.exe:1836 - Delete the original Worm file.
- Delete or disinfect the following files created/modified by the Worm:
%Documents and Settings%\%current user%\Application Data\Prox\uhIeqG.exe (1425 bytes)
%Documents and Settings%\%current user%\Application Data\Sert.exe (3860 bytes)
%Documents and Settings%\%current user%\Application Data\DAVID (32 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"fVjtcc" = "%Documents and Settings%\%current user%\Application Data\Prox\uhIeqG.exe" - Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- Reboot the computer.