Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 [file and pathname of the sample #1]
%System%\yygeym.exe
122,880 bytes MD5: 0x48EC64207EAF2F2D7913AD9AB2799BCA
SHA-1: 0xF670934797823B79908E90A9D13C2272D5673B8B
W32.Ramnit!inf [Symantec]
Virus.Win32.Nimnul.a [Kaspersky Lab]
W32/Ramnit.a [McAfee]
W32/Patched-I [Sophos]
Virus:Win32/Ramnit.A [Microsoft]
Virus.Win32.Ramnit [Ikarus]
Win32/Ramnit.B [AhnLab]
2 [part of the sample filename]1Srv.exe
%System%\yygeymSrv.exe
56,320 bytes MD5: 0xFF5E1F27193CE51EEC318714EF038BEF
SHA-1: 0xB4FA74A6F4DAB3A7BA702B6C8C129F889DB32CA6
Trojan.Zbot!gen9 [Symantec]
Packed.Win32.Krap.hm [Kaspersky Lab]
PWS-Zbot.gen.pq [McAfee]
Mal/Agent-IE [Sophos]
Trojan-Spy.Win32.Zbot [Ikarus]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
yygeym.exe%System%\yygeym.exe126,976 bytes
yygeymsrv.exe%System%\yygeymsrv.exe77,824 bytes
[filename of the sample #1][file and pathname of the sample #1]126,976 bytes

Service NameDisplay NameStatusService Filename
WinHelp32Windows Help System"Running"%System%\yygeym.exe

 

Registry Modifications

 

Other details

China
Russian Federation

PortProtocolProcess
1033TCPyygeym.exe (%System%\yygeym.exe)

Remote HostPort Number
115.239.248.798000

 

Outbound traffic (potentially malicious)

 

 

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