Submission Summary:

What's been foundSeverity Level
Hosts file modification that may block access to the security web sites.
Produces outbound traffic.
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.


Technical Details:


Possible Security Risk

Security RiskDescription
Trojan-Dropper.Agent Trojan-Dropper.Agent attempts to drop a malicious file and run it on the compromised computer.
Worm.IM.Sohanad Worm.IM.Sohanad spreads via Yahoo Messenger and infects Windows. It sends a message to all Yahoo Messenger contacts of an infected user. The message contains a link enticing users to download the worm. The worm also disable certain Windows functionalities abd hijacks Internet Explorer homepage. It also downloads other maware and it will also attempt to propagate via the means of creating copies of itself onto removable devices such as USB flash and hard drives.

Threat CategoryDescription
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body


File System Modifications


Memory Modifications

Process NameProcess FilenameMain Module Size
[filename of the sample #1][file and pathname of the sample #1]991,232 bytes
system3_.exe%System%\system3_.exe991,232 bytes
cmt.exeC:\cmt.exe139,264 bytes
system3_.exe%Windir%\system3_.exe991,232 bytes

Service NameDisplay NameStatusService Filename
6to46to4"Stopped"%System%\svchost.exe -k netsvcs

Service NameDisplay NameNew StatusService Filename
AppMgmtApplication Management"Running"%System%\svchost.exe -k netsvcs
BrowserComputer Browser"Stopped"%System%\svchost.exe -k netsvcs
helpsvcHelp and Support"Stopped"%System%\svchost.exe -k netsvcs
ScheduleTask Scheduler"Stopped"%System%\svchost.exe -k netsvcs
xmlprovNetwork Provisioning Service"Running"%System%\svchost.exe -k netsvcs


Registry Modifications


Other details

Remote HostPort Number

Server NameServer PortConnect as UserConnection Password


Outbound traffic (potentially malicious)



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