ThreatExpert Report: Packed.Win32.TDSS.aa, Trojan.Win32.FakeAV, Trojan.Vundo, FakeAlert-JU..

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Submission Summary:

Submission details:

Submission received: 27 November 2009, 21:11:30
Processing time: 8 min 27 sec
Submitted sample:

File MD5: 0xA541EB00687C021371F76A83EFEE3247
File SHA-1: 0x43CD61C91AAC728EE22534FC1580CFDACCF9E3EC
Filesize: 2,086,110 bytes
Alias:

Packed.Win32.TDSS.aa [Kaspersky Lab]
Trojan.Win32.FakeAV [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 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	%Temp%\certsystem.exe	47,872 bytes	MD5: 0x8738BAB505367E09789E91A02337986B SHA-1: 0x66E8432E8ABC68480EAE65A6A64BEA6A1476C267	Trojan.Win32.FakeAV [Ikarus]
2	%Temp%\microsoftdef.dll	18,941 bytes	MD5: 0xA8D2DDE23081E085216413450CE9ECEA SHA-1: 0x7B197E51CD59BB130FDD701516CE3890FB4AB9C8	Trojan.Win32.FakeAV [Ikarus]
3	%Temp%\regred.exe	38,352 bytes	MD5: 0x405E6E5C06C3E0BE8BE6AAAB679521EF SHA-1: 0xE0E2073DB72F5D383594F17875E9277E09DEB1EA	Trojan.Win32.FakeAV [Ikarus]
4	%Temp%\spoov.exe	51,197 bytes	MD5: 0xEBB8481B89265CB919F382583FD42992 SHA-1: 0xF68E99AFDC465A400D33B9CD173960196D3CE3DF	Trojan.Win32.FakeAV [Ikarus]
5	%Temp%\sysnet.dll	1,959,936 bytes	MD5: 0xB2ACDE07B7A5B7EF54EA3962D3794467 SHA-1: 0x1113DB76FF67FF1102E708C1D99BD266F36E4E3A	Trojan.Vundo [Symantec] Packed.Win32.TDSS.aa [Kaspersky Lab] FakeAlert-JU [McAfee] Mal/FakeAV-BP [Sophos] Trojan:Win32/FakeSpyguard [Microsoft]
6	%Temp%\usexplorer.exe	33,149 bytes	MD5: 0xC9A582438D3851A6572CFA75A567E7C8 SHA-1: 0x551904C8B909D5339A7D0F6A4F53B3431B3191C4	Trojan.Win32.FakeAV [Ikarus]
7	%Temp%\yozezuna.dll	38,912 bytes	MD5: 0x79EF6F21A3677D4B84F71FCE2BDB2751 SHA-1: 0x5487506BCACE413085993EFD3DE5A04F0A5A94F5	Vundo.gen.ab [McAfee] Mal/Generic-A [Sophos] Trojan:Win32/Vundo.FA [Microsoft]
8	[file and pathname of the sample #1]	2,086,110 bytes	MD5: 0xA541EB00687C021371F76A83EFEE3247 SHA-1: 0x43CD61C91AAC728EE22534FC1580CFDACCF9E3EC	Packed.Win32.TDSS.aa [Kaspersky Lab] Trojan.Win32.FakeAV [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).

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