Removed: expacess.dll
Malware: C:\sand-box\feedback.php.exe
Removed: C:\WINDOWS\system32\expacess.dll
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Classification:
| Antivirus | Version | Last Update | Result |
|---|---|---|---|
| F-Secure | 9.0.15370.0 | 2010.01.31 | - |
| Kaspersky | 7.0.0.125 | 2010.02.01 | Backdoor.Win32.Papras.aq |
| McAfee | 5878 | 2010.01.31 | Generic.dx!mfu |
| Microsoft | 1.5406 | 2010.01.31 | - |
| NOD32 | 4822 | 2010.01.31 | Win32/PSW.Papras.AY |
| Symantec | 20091.2.0.41 | 2010.02.01 | Trojan Horse |
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Additional information
File size: 103936 bytes
MD5 : 1fc4f3b06cd52e7563b7627cd6520e7b
SHA1 : 82f83942cd4109fbc2391c7126f4c532307bb249
SHA256: 17fcef4a88cfc950a62d2c79e1670cc9b9d742cd4ea3310e0df337fef7451ed8
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Installation
When the program is executed, it creates the following registry subkeys and values:
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Keys added:2
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HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\AppCertDlls
HKCU\Software\AppDataLow\{c1085a19-7ca4-9fb3-5d76-e10a9718bbcc}
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Values added:4
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HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\AppCertDlls\asr_vert: “C:\WINDOWS\system32\expacess.dll”
HKCU\Software\AppDataLow\{c1085a19-7ca4-9fb3-5d76-e10a9718bbcc}\k1: 0x1BFB7C2C
HKCU\Software\AppDataLow\{c1085a19-7ca4-9fb3-5d76-e10a9718bbcc}\k2: 0x4512FB01
HKCU\Software\AppDataLow\{c1085a19-7ca4-9fb3-5d76-e10a9718bbcc}\version: “56″
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Files added:1
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C:\WINDOWS\system32\expacess.dll
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Files deleted:6
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C:\Documents and Settings\Administrator\Local Settings\History\desktop.ini
C:\Documents and Settings\Administrator\Local Settings\History\History.IE5\desktop.ini
C:\Documents and Settings\Administrator\Local Settings\History\History.IE5\MSHist012010010120100102\index.dat
C:\Documents and Settings\Administrator\Local Settings\Temporary Internet Files\AntiPhishing\B3BB5BBA-E7D5-40AB-A041-A5B1C0B26C8F.dat
C:\Documents and Settings\Administrator\Local Settings\Temporary Internet Files\desktop.ini
C:\sand-box\feedback.php.exe
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Total changes:13
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Unable to start testing in UnHackMe, so we use RegRun Reanimator.
Detecting by RegRun Reanimator:
Item Name: asr_vert
Author: Unknown
Related File: C:\WINDOWS\system32\expacess.dll
Type: Application Security DLLs
Removal Results: Success
Number of reboot: 1
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Recommended software:
UnHackMe anti-rootkit and anti-malware
http://www.unhackme.com
RegRun Security Suite (Good choice for removal and protection)
http://www.regrun.com
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