ThreatExpert Report: Mal/FakeAvCn-E

Submission Summary:

Submission details:

Submission received: 2 July 2012, 02:18:04
Processing time: 11 min 15 sec
Submitted sample:

File MD5: 0x568CF751A641AA8732B560923E03BC33
File SHA-1: 0x3F21C81E2E454A3E05AE3F8D239167C1CE019049
Filesize: 405,504 bytes

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonAppData%\529C50D8002A25F2035EC7BE2830AC72\529C50D8002A25F2035EC7BE2830AC72	848 bytes	MD5: 0x8B03DCD1D8FA82E2440642790315563C SHA-1: 0x1FFF8DF1FE64828F799F7AFE3B4C597D27729E27	Mal/FakeAvCn-E [Sophos]
2	%CommonAppData%\529C50D8002A25F2035EC7BE2830AC72\529C50D8002A25F2035EC7BE2830AC72.exe [file and pathname of the sample #1]	405,504 bytes	MD5: 0x568CF751A641AA8732B560923E03BC33 SHA-1: 0x3F21C81E2E454A3E05AE3F8D239167C1CE019049	(not available)

Note:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.

The following directory was created:

%CommonAppData%\529C50D8002A25F2035EC7BE2830AC72

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
529C50D8002A25F2035EC7BE2830AC72.exe	%CommonAppData%\529C50D8002A25F2035EC7BE2830AC72\529C50D8002A25F2035EC7BE2830AC72.exe	782,336 bytes

Registry Modifications

The following Registry Key was created:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce]

529C50D8002A25F2035EC7BE2830AC72 = "%CommonAppData%\529C50D8002A25F2035EC7BE2830AC72\529C50D8002A25F2035EC7BE2830AC72.exe"

so that 529C50D8002A25F2035EC7BE2830AC72 runs every time Windows starts

Other details

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

Russian Federation

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
116.255.235.9	80

The data identified by the following URL was then requested from the remote web server:

http://116.255.235.9/api/urls/?ts=61ff1907&affid=51627

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