ThreatExpert Report: Trojan.Agent!sd6, Trojan.Win32.Agent.annh, Downloader, Generic.dx..

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Submission Summary:

Submission details:

Submission received: 18 February 2009, 17:20:59
Processing time: 6 min 7 sec
Submitted sample:

File MD5: 0xF47A95DC8003BB0F206D836B757FA9F3
File SHA-1: 0xC6EB560CF0CEB51C4CF147F7B6A1EA41AAF6F1F6
Filesize: 28,672 bytes
Alias:

Trojan.Agent!sd6 [PCTools]
Downloader [Symantec]
Trojan.Win32.Agent.annh [Kaspersky Lab]
Generic.dx [McAfee]
W32/Koobfa-Gen [Sophos]
Worm.Win32.Koobface [Ikarus]

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

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Possible Security Risk

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

Security Risk	Description
Trojan.Agent!sd6	Trojan.Agent!sd6 is a malicious program that does not infect other files but may represents security risk for your computer and/or network environment.

Attention! The following threat categories were identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
	A program that downloads files to the local computer that may represent security risk

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\bolivar25.exe	28,672 bytes	MD5: 0xF47A95DC8003BB0F206D836B757FA9F3 SHA-1: 0xC6EB560CF0CEB51C4CF147F7B6A1EA41AAF6F1F6	Trojan.Agent!sd6 [PCTools] Downloader [Symantec] Trojan.Win32.Agent.annh [Kaspersky Lab] Generic.dx [McAfee] W32/Koobfa-Gen [Sophos] Worm.Win32.Koobface [Ikarus]
2	%Windir%\fmark2.dat	1 bytes	MD5: 0xC4CA4238A0B923820DCC509A6F75849B SHA-1: 0x356A192B7913B04C54574D18C28D46E6395428AB	(not available)

Note:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	90,112 bytes
bolivar25.exe	%Windir%\bolivar25.exe	90,112 bytes

Other details

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

4334df4sdf435544y45y54f5

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