Submission Summary:

• Submission details:
• Submission received: 30 September 2012, 18:43:59
• Processing time: 7 min 56 sec
• Submitted sample:
• File MD5: 0xD6597BFB134D08BB677F6C487890E033
• File SHA-1: 0x4B73D071E70B58889848E965A213ED54B44FFCB3
• Filesize: 176,128 bytes
• Alias:
• Trojan.Win32.VBKrypt.gkqk [Kaspersky Lab]
• VBObfus.at [McAfee]
• Mal/SillyFDC-T [Sophos]
• Worm:Win32/Vobfus.gen!N [Microsoft]
• Worm.Win32.Vobfus [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%UserProfile%\reiuhe.exe	176,128 bytes	MD5: 0x2EDF7E86CC05B74A99B847E464F27F2F SHA-1: 0xCD5F342EFC9D28172C19F60AC5D2B91F8BDCCB0B	Trojan.Win32.VBKrypt.gkqk [Kaspersky Lab] VBObfus.at [McAfee] Mal/SillyFDC-T [Sophos] Worm:Win32/Vobfus.gen!N [Microsoft] Worm.Win32.Vobfus [Ikarus]
2	[file and pathname of the sample #1]	176,128 bytes	MD5: 0xD6597BFB134D08BB677F6C487890E033 SHA-1: 0x4B73D071E70B58889848E965A213ED54B44FFCB3	Trojan.Win32.VBKrypt.gkqk [Kaspersky Lab] VBObfus.at [McAfee] Mal/SillyFDC-T [Sophos] Worm:Win32/Vobfus.gen!N [Microsoft] Worm.Win32.Vobfus [Ikarus]

• Note:
• %UserProfile% is a variable that specifies the current user's profile folder. By default, this is C:\Documents and Settings\[UserName] (Windows NT/2000/XP).

Memory Modifications

• There were new processes created in the system:

Registry Modifications

• The newly created Registry Value is:
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
• reiuhe = "%UserProfile%\reiuhe.exe /u"
• reiuhe = "%UserProfile%\reiuhe.exe /I"

so that reiuhe.exe runs every time Windows starts

Other details

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

• The following port was open in the system:

• The following Host Names were requested from a host database:
• 192.5.5.241
• ns1.player1532.com

• There was registered attempt to establish connection with the remote host. The connection details are: