File Investigation Report
"WINVSEM.EXE"
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Associated Malware Groups
The filename is associated with the malware group:
- Malicious Software
File Behavior
WINVSEM.EXE has been seen to perform the following behavior:
- Executes a Process
- Changes the Windows Security Center to stop Antivirus status alerts from being displayed
- Changes the Windows Security Senter to stop Firewall status alerts from being displayed
- Changes the Windows Security Center to stop Firewall override alerts from being displayed
- Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
- Injects code into other processes
- Disables the Notification Balloon for the Windows Security Center
- Disables Access to the Windows Registry Editior
- Disables Access to the Task Manager built into Windows
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Writes to another Process's Virtual Memory (Process Hijacking)
- The Process is packed and/or encrypted using a software packing process
WINVSEM.EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
Country Of Origin
The filename WINVSEM.EXE was first seen on Nov 19 2009 in the following geographical regions of the Prevx community:
- Vietnam on Nov 19 2009
- The United Kingdom on Nov 19 2009
- Turkey on Dec 24 2009
Filesizes
The following file size has been seen:
- 146,944 bytes
- 68,608 bytes
File Type
The filename WINVSEM.EXE refers to many versions of an executable program.
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