WINSERVICE.EXE, Prevx

Associated Malware Groups

The unsafe files using this name are associated with the malware groups:

Cloaked Malware
Malware Dropper
Malicious Software

File Behavior

WINSERVICE.EXE has been seen to perform the following behavior:

Writes to another Process's Virtual Memory (Process Hijacking)
This Process Deletes Other Processes From Disk
Adds a Registry Key (RUN) to auto start Programs on system start up
Adds a Registry Key (DXCOM) to auto start Programs on system start up
Deletes Links in the Start Menu
Adds a Link in the Start Menu
This process creates other processes on disk
Executes a Process
Can communicate with other computer systems using HTTP protocols
Registers a Dynamic Link Library File
Copies files
Injects code into other processes
Performs DNS look ups to resolve URL IP addresses
Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
Modifies firewall settings, without user permission so it is not blocked from accessing the Internet
Uses Instant Messaging to communicate without the user's knowledge
Uses embeded Instant Message Channel Settings
The Process is packed and/or encrypted using a software packing process

WINSERVICE.EXE has been the subject of the following behavior:

Added as a Registry auto start to load Program on Boot up
Executed from Temporary Folders
Created as a process on disk
Has code inserted into its Virtual Memory space by other programs
Executed as a Process
Added as a Registry Key (DXCOM) to auto start Programs on system start up
Deleted as a Link in the Start Menu
Added as a Link in the Start Menu
Terminated as a Process
Registered as a Dynamic Link Library File
Copied to multiple locations on the system
Deleted as a process from disk

Country Of Origin

The filename WINSERVICE.EXE was first seen on Dec 7 2007 in the following geographical regions of the Webroot community:

Spain on Dec 7 2007
Uruguay on Dec 7 2007
Malaysia on Jul 8 2008
Poland on Jul 8 2008
Netherlands on Jun 22 2010
Namibia on Aug 15 2010
The United States on Aug 15 2010
The United Kingdom on Aug 23 2010
Vietnam on Aug 23 2010
Italy on Oct 7 2010
Turkey on May 14 2012

File Name Aliases

WINSERVICE.EXE can also use the following file names:

VRRQHRDI.EXE
NEYGN[1].HTM
JUSCHED.EXE
JUSCHED.EXD
ERASEME_71654.EXE
TINSERVICE.EXE
FS-UPDATE91321.EXE
FS-UPDATE45510.EXE
FS-UPDATE88808.EXE
FS-UPDATE45716.EXE
FS-UPDATE35506.EXE
FS-UPDATE65164.EXE
FS-UPDATE3745.EXE
FS-UPDATE45672.EXE
FS-UPDATE86134.EXE
FS-UPDATE79730.EXE
FS-UPDATE36434.EXE
FS-UPDATE18983.EXE
FS-UPDATE52825.EXE
FS-UPDATE43651.EXE
FS-UPDATE1117.EXE
FS-UPDATE55257.EXE
FS-UPDATE18594.EXE
FS-UPDATE71671.EXE
FS-UPDATE37733.EXE
FS-UPDATE71082.EXE
FS-UPDATE51650.EXE
FS-UPDATE22142.EXE
FS-UPDATE95334.EXE
FS-UPDATE98769.EXE
FS-UPDATE61531.EXE
FS-UPDATE70005.EXE
FS-UPDATE23608.EXE
FS-UPDATE78248.EXE
FS-UPDATE84938.EXE
FS-UPDATE29159.EXE
FS-UPDATE86490.EXE
BOT[1].EXE
FS-UPDATE77775.EXE
FS-UPDATE73005.EXE
FS-UPDATE92804.EXE
FS-UPDATE71391.EXE
FS-UPDATE16603.EXE
FS-UPDATE27021.EXE
FS-UPDATE8249.EXE
FS-UPDATE11307.EXE
FS-UPDATE20124.EXE
GIRL18BLOW.SCR
FS-UPDATE11471.EXE
FS-UPDATE12073.EXE
FS-UPDATE17270.EXE
FS-UPDATE18517.EXE
FS-UPDATE23201.EXE
FS-UPDATE23349.EXE
FS-UPDATE26491.EXE
FS-UPDATE31811.EXE
FS-UPDATE36091.EXE
FS-UPDATE38646.EXE
FS-UPDATE40602.EXE
FS-UPDATE40810.EXE
FS-UPDATE44726.EXE
FS-UPDATE44834.EXE
FS-UPDATE46340.EXE
FS-UPDATE48111.EXE
FS-UPDATE51255.EXE
FS-UPDATE52197.EXE
FS-UPDATE53064.EXE
FS-UPDATE55804.EXE
FS-UPDATE57344.EXE
FS-UPDATE59998.EXE
FS-UPDATE60035.EXE
FS-UPDATE61198.EXE
FS-UPDATE61445.EXE
FS-UPDATE637.EXE
FS-UPDATE64426.EXE
FS-UPDATE66114.EXE
FS-UPDATE66336.EXE
FS-UPDATE67679.EXE
FS-UPDATE71570.EXE
FS-UPDATE79223.EXE
FS-UPDATE81118.EXE
FS-UPDATE82578.EXE
FS-UPDATE83640.EXE
FS-UPDATE86512.EXE
FS-UPDATE88395.EXE
FS-UPDATE88481.EXE
FS-UPDATE8991.EXE
FS-UPDATE95353.EXE
FS-UPDATE95783.EXE
FS-UPDATE97631.EXE
FS-UPDATE99964.EXE
ERASEME_57315.EXE
FS-UPDATE33026.EXE
FS-UPDATE72857.EXE
FS-UPDATE14767.EXE
FS-UPDATE7123.EXE
FS-UPDATE63318.EXE
FS-UPDATE60016.EXE
FS-UPDATE27901.EXE
FS-UPDATE71511.EXE
FS-UPDATE77050.EXE
LIVE.SCR
7.TMP
WINLOGON.CONFI
4B64.TMP
17422011.SCR

Filesizes

The following file size has been seen:

152,566 bytes
97,792 bytes
47,616 bytes
55,296 bytes
30,720 bytes
266,240 bytes
503,808 bytes
109,600 bytes

File Type

The filename WINSERVICE.EXE refers to many versions of an executable program.

Help the Webroot Community to fight cyber crime

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The filename referred to in this report is often associated with PC infections. If you have a program of this name on your PC and would like to help our research please tell us what you know in the form below:

I have this file on my PC and believe it is an infection
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My firewall asked if I wanted to let this file have access to the Internet
My PC will not work since I noticed this file on it
My antivirus detected this file but won't remove it
I know what this file is and believe it is a Safe program
I am the author of this file and would like to discuss how to have it reclassified as safe

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WINSERVICE.EXE