Security Task Manager
wsem303.dll process file

What is wsem303.dll? Is wsem303.dll spyware or a virus?
Process name: DyFuCA_BH Module

Product: DyFuCA_BH Module

Company: Avenue Media N.V (

File: wsem303.dll

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Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!

Users Opinions

80 users ask for this file. 2 users didn't rate it ("don't know"). 1 user rated it as neutral. 4 users rated it as little bit dangerous. 2 users rated it as dangerous.

All comments about wsem303.dll:
eddy seven i removed it from my pc because it contained a virus but my msn messanger doesn't work anymore so is this a needed dll file for xp or just a virus?
Paul Part of internet optimizer - spyware basically
Kurtis Disguises itself as another program in the task bar so I am having trouble stopping the process and deleting the file.
David G. Norton AntiVir 9 had found the wsem303.dll in \system32. To Delete it, we had to kill als svchost.exe's, then we can delete it by securityTaskManager.  See also: Link
Flame this file is linked with a spyware as it was shown on my PC "istsvc.exe" and there is more files with it to work out they gives u a pop-up window each time u r surfing the net
Dan Hinds systems Admin. If running win2k you can easily remove it in safe mode just delete it and empty recycle bin
Ferdinand Infected with Trojan.Downloader.Dyfuca.DD (reported from BitDefender Online Scanner 8).
carlo you think i should delete this file and "istsvc.exe"?
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More process information
Is wsem303.dll spyware or a virus, trojans, adware or worm? Is there a known wsem303.dll error?
Read more about wsem303.dll on

Other Processes

wsem303.dll [all processes]
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