ThreatExpert Report: Downloader, Trojan-Spy.Win32.Lurk.yk, Trojan-Spy.Win32.Lurk

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Submission Summary:

Submission details:

Submission received: 30 August 2012, 23:02:49
Processing time: 7 min 38 sec
Submitted sample:

File MD5: 0xA3986EC732A75FE7F3000180772856EC
File SHA-1: 0x6B613C409DBF99F5CCD60E932FCF981F9C53C587
Filesize: 17,099 bytes
Alias:

Downloader [Symantec]
Trojan-Spy.Win32.Lurk.yk [Kaspersky Lab]
Trojan-Spy.Win32.Lurk [Ikarus]

Summary of the findings:

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

Technical Details:

Possible Security Risk

Attention! The following threat categories were identified:

Threat Category	Description
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
	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	%Temp%\WINDOWS\TEMP\00000000.TXT	551 bytes	MD5: 0xEB919773701CB0F6D1C6A7F9CE813288 SHA-1: 0x457C8C51CEE06397D83BA7F1112CD0D1FBAB9AED	(not available)
2	%Temp%\WINDOWS\TEMP\00000000.ZIP	16,032 bytes	MD5: 0xC6D4791F20C4A2CE3C9D350F00BA1222 SHA-1: 0x6C7E3D4B974A72FD2F60204782FF5FBECB93325B	Downloader [Symantec] Trojan-Spy.Win32.Lurk.yk [Kaspersky Lab] Trojan-Spy.Win32.Lurk [Ikarus]
3	%Temp%\WINDOWS\TEMP\NSD3D1.tmp	1,336 bytes	MD5: 0x1E10F0041CCAD357AA0C7968FD855BB6 SHA-1: 0x83E3AF7DB4D370D6CCAC104A830F1E1BC2FB2283	(not available)
4	[file and pathname of the sample #1]	17,099 bytes	MD5: 0xA3986EC732A75FE7F3000180772856EC SHA-1: 0x6B613C409DBF99F5CCD60E932FCF981F9C53C587	Downloader [Symantec] Trojan-Spy.Win32.Lurk.yk [Kaspersky Lab] Trojan-Spy.Win32.Lurk [Ikarus]

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).

The following directories were created:

%Temp%\WINDOWS
%Temp%\WINDOWS\TEMP

Other details

The following Host Name was requested from a host database:

192.5.5.241

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