Malware: C:\sand-box\1.exe
Removed: C:\WINDOWS\system32\wbem\grpconv.exe
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Detected by UnHackMe:
Item Name: wpv671289563543.exe
Author: Unknown
Related File: C:\WINDOWS\TEMP\WPV671289563543.EXE – random filename
Type: Running Processes
After first reboot detected by UnHackMe:
Item Name: userini
Author: Unknown
Related File: C:\WINDOWS\EXPLORER.EXE:USERINI.EXE
Type: Explorer Run
Item Name: wpv181289563741.exe
Author: Unknown
Related File: C:\WINDOWS\TEMP\WPV181289563741.EXE – random filename
Type: Running Processes
Detected manualy:
GRPCONV.EXE
Default location: C:\WINDOWS\system32\wbem\grpconv.exe
MD5: EE60216F856BC9CB2DC601A080859C96
SHA1: 59AE8E08 EDD18ABA A612373E 2A6450E0 EADE9E45
File Size: 29 184
Removal Results: Success
Number of reboot: 2
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How to quickly detect malware presence?
Registry: HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\RunGrpConv
Value: 0×00000001
Files:
C:\WINDOWS\system32\wbem\grpconv.exe
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Classification:
| Antivirus | Version | Last Update | Result |
|---|---|---|---|
| F-Secure | 9.0.16160.0 | 2010.11.13 | Trojan.Generic.KD.64227 |
| Kaspersky | 7.0.0.125 | 2010.11.13 | - |
| Microsoft | 1.6301 | 2010.11.13 | - |
| NOD32 | 5616 | 2010.11.13 | - |
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MD5 ee60216f856bc9cb2dc601a080859c96
SHA1 59ae8e08edd18abaa612373e2a6450e0eade9e45
SHA256 0f3e70f521ec70be1a337f0156609a5b51bcc1abb14564bfd0546a05a7198241
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Installation
When the program is executed, it creates the following registry subkeys and values:
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Values added:1
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HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\RunGrpConv: 0×00000001
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Files added:3
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C:\Documents and Settings\Administrator\Application Data\wiaservg.log
C:\Documents and Settings\Administrator\Local Settings\Temp\~TM4.tmp
C:\WINDOWS\system32\wbem\grpconv.exe
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Files deleted:2
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C:\sand-box\1.exe
C:\WINDOWS\system32\grpconv.exe
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Total changes:6
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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