ThreatExpert Report: Trojan-Downloader.Win32.Small.acmv, Trojan Horse, Generic Downloader.x..

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Submission Summary:

Submission details:

Submission received: 15 November 2008, 06:26:28
Processing time: 6 min 13 sec
Submitted sample:

File MD5: 0x8FF25A9D99C869341E9734BA757D3925
File SHA-1: 0x9452DCE657818415F494156606DB1B3E531A2DC8
Filesize: 3,072 bytes
Alias:

Trojan Horse [Symantec]
Trojan-Downloader.Win32.Small.acmv [Kaspersky Lab]
Generic Downloader.x [McAfee]
Trojan-Downloader.Win32.Small [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat categories were identified:

Threat Category	Description
	A program that downloads files to the local computer that may represent security risk
	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 file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	3,072 bytes	MD5: 0x8FF25A9D99C869341E9734BA757D3925 SHA-1: 0x9452DCE657818415F494156606DB1B3E531A2DC8	Trojan Horse [Symantec] Trojan-Downloader.Win32.Small.acmv [Kaspersky Lab] Generic Downloader.x [McAfee] Trojan-Downloader.Win32.Small [Ikarus]

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	16,384 bytes

Other details

The following Internet download was started (the retrieved bits are saved into the local file):

URL to be downloaded	Filename for the downloaded bits
http://biggerz.net/ls.php?l=0409	%Temp%\list

Note:

%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).

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