Submission Summary:

• Submission details:
• Submission received: 21 August 2009, 11:40:01
• Processing time: 7 min 56 sec
• Submitted sample:
• File MD5: 0xDF1B775DFAB5C5E55F43686726082D4A
• File SHA-1: 0x7D6D76981F4AEDFC4BB58C143A0CD1B303255573
• Filesize: 37,376 bytes
• Alias:
• Packed.Generic.243 [Symantec]
• Backdoor.Win32.Bredolab.it [Kaspersky Lab]
• Bredolab.gen.a [McAfee]
• Mal/Bredo-A, Mal/Behav-340 [Sophos]
• Trojan-Downloader.Win32.Bredolab [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Contains characteristics of Bredolab, a trojan horse that downloads and executes files from the Internet, such as rogue anti-spyware. To bypass firewalls, it injects its own code into legitimate processes svchost.exe and explorer.exe. Bredolab contains anti-sandbox code (e.g. if it detects it is running under ThreatExpert, it might quit).
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! Characteristics of the following security risk was identified in the system:

• Attention! The following threat category was identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\wiaservg.log	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
2	%Programs%\Startup\dfqupd32.exe	37,376 bytes	MD5: 0xDF1B775DFAB5C5E55F43686726082D4A SHA-1: 0x7D6D76981F4AEDFC4BB58C143A0CD1B303255573	Packed.Generic.243 [Symantec] Backdoor.Win32.Bredolab.it [Kaspersky Lab] Bredolab.gen.a [McAfee] Mal/Bredo-A, Mal/Behav-340 [Sophos] Trojan-Downloader.Win32.Bredolab [Ikarus]

• 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.
• %Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.

Memory Modifications

• There were new memory pages created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
svchost.exe	%System%\svchost.exe	32,768 bytes
svchost.exe	%System%\svchost.exe	32,768 bytes

• Notes:
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Other details

• Analysis of the file resources indicate the following possible country of origin:

	Russian Federation

• The following Host Name was requested from a host database:
• mudstrang.ru

• The following HTTP URL was started reading:
• http://mudstrang.ru/def/controller.php?action=bot&entity_list=&uid=2&first=1&guid=13441600&v=15&rnd=8520045