Submission Summary:

• Submission details:
• Submission received: 21 September 2012, 06:41:42
• Processing time: 9 min 31 sec
• Submitted sample:
• File MD5: 0x16BBD3EE03473CA8071BA95C5D1724F1
• File SHA-1: 0x6FD7924264156D04235B9E7CB42AE5DDED0276DA
• Filesize: 483,328 bytes
• Alias:
• PWS-Zbot.gen.ko [McAfee]
• Mal/VBCheMan-C [Sophos]
• VirTool:Win32/VBInject.gen!HV [Microsoft]
• Trojan-PWS.Win32.Zbot [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.

Technical Details:

File System Modifications

• The following files were created in the system:

• Notes:
• %AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.
• %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

Memory Modifications

• There were new processes created in the system:

Registry Modifications

• The following Registry Keys were created:
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run]
• WindowsDefender = "%AppData%\windefender.exe"

so that windefender.exe runs every time Windows starts

• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• WindowsDefender = "%AppData%\windefender.exe"

so that windefender.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run]
• WindowsDefender = "%AppData%\windefender.exe"

so that windefender.exe runs every time Windows starts

• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• WindowsDefender = "%AppData%\windefender.exe"

so that windefender.exe runs every time Windows starts

Other details

• To mark the presence in the system, the following Mutex object was created:
• 549487