File Investigation Report
WSERVING.EXERootkit
Your PC is infected. The file called WSERVING.EXE is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including WSERVING.EXE as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The filename is associated with the malware group:
- Rootkit
File Behavior
WSERVING.EXE has been seen to perform the following behavior:
- Creates a new Background Service on the machine
- This Process Deletes Other Processes From Disk
- Writes to another Process's Virtual Memory (Process Hijacking)
- This Process Creates Other Processes On Disk
- Can communicate with other computer systems using HTTP protocols
- Executes a Process
- Copies files
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- Registers a Dynamic Link Library File
WSERVING.EXE has been the subject of the following behavior:
- Created as a new Background Service on the machine
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Registered as a Dynamic Link Library File
- Added as a Service in the System Registry Current Control Set
- Terminated as a Process
- Deleted as a process from disk
Country Of Origin
The filename WSERVING.EXE was first seen on Apr 14 2008 in the following geographical regions of the Prevx community:
- The EUROPEAN UNION on Apr 14 2008
- NEW ZEALAND on Apr 15 2008
- The UNITED KINGDOM on Aug 6 2008
- The UNITED STATES on Aug 6 2008
- GREECE on Oct 27 2008
File Name Aliases
WSERVING.EXE can also use the following file names:
- PERFS.EXE
- P[1].BIN
- 70705817.SVD
- 39699042.EXE
- WS[1].BIN
- 14002092.SVD
- 18739646.SVD
Filesizes
The following file size has been seen:
- 188,928 bytes
- 186,368 bytes
- 363,988 bytes
- 186,880 bytes
Vendor, Product and Version Information
Files with the name WSERVING.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- ; ; 2.0.0.11
- ; ; 2.0.0.9
- ; ; 2.0.0.4
- ; ; 2.0.0.8
File Type
The filename WSERVING.EXE refers to many versions of an executable program.
File Activity
One or more files with the name WSERVING.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\comsa32.sys
- Copies filec:\windows\system32\urlmon.dll to c:\docume~1\user\locals~1\temp\mta56809.dll