Prevx Research Division
COMBOFIX[1].EXE
Malicious SoftwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove COMBOFIX[1].EXE.
"Just when you thought it couldn't get any better or faster. The Webroot scanning engine is 'high octane' with a hidden nitrous oxide system. Bravo!!!" W. Lodzinski, SecureAnywhere User
File Behavior
COMBOFIX[1].EXE has been seen to perform the following behavior:
- This process creates other processes on disk
- Writes to another Process's Virtual Memory (Process Hijacking)
- This Process Deletes Other Processes From Disk
- Executes a Process
- Creates new folders on the system
- The Process is packed and/or encrypted using a software packing process
- Creates system tray popups, messages, errors and security warnings
- Uses rootkit techniques to conceal its presence, interrogation or removal
COMBOFIX[1].EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Deleted as a process from disk
- Created by processes which appear to be checking for interception by security products
Country Of Origin
The filename COMBOFIX[1].EXE was first seen on Sep 19 2007 in the following geographical regions of the Webroot community:
- Pakistan on Sep 19 2007
- Malaysia on Sep 19 2007
- on Aug 1 2008
- Spain on Aug 12 2008
- Israel on Aug 12 2008
- Italy on Oct 26 2009
- Poland on Nov 19 2009
- The United Kingdom on Nov 19 2009
- Iran, Islamic Republic of on Dec 22 2009
- The United States on Jan 31 2011
- Turkey on May 20 2012
File Name Aliases
COMBOFIX[1].EXE can also use the following file names:
- COMBOFIX.EXE.2.EXE
- KOPIA COMBOFIX.EXE
- COMBIMEND.EXE
- PROVA.EXE
- MDELK.EXE
- DFGDFG.EXE
- FIXCOM.EXE
- ASAS.EXE
- AAA.EXE
- COMBOFIX_2.EXE
- CFIX.EXE
- COMBOFIX2.EXE
- COMBOFIX1.EXE
- CCC.EXE
- COMBOFIX(1).EXE
- COMBOFIX3.EXE
- CBFX.EXE
- COMBOFIASDASDX.COM
- ALIAHMET.EXE
- GEAP1S16.EXE
- COMBOFIX.EXE
- COMBO-FIX.EXE
- PROUTOFIX.EXE
- 4523353.EXE
- 74010223.EXE
- 66984681.EXE
- 15770906.EXE
- 27549267.DAT
Filesizes
The following file size has been seen:
- 290,315 bytes
- 2,710,613 bytes
- 1,620,771 bytes
- 160,735 bytes
- 2,673,009 bytes
- 3,436,986 bytes
- 2,047,455 bytes
- 4,263,233 bytes
- 986 bytes
File Type
The filename COMBOFIX[1].EXE is used by multiple object types including executable programs,self extracting compressed files,objects.
File Activity
One or more files with the name COMBOFIX[1].EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\327882r2fwjfw\temp00.bat
- Copies filec:\windows\system32\findstr.exe to findstr.cfe
- Copies filec:\windows\system32\attrib.exe to attrib.cfe
- Copies filec:\windows\system32\cmd.exe to c:\windows\system32\CF28139.exe
- Deletes c:\327882r2fwjfw\NirCmd.inf
- Deletes c:\327882r2fwjfw\FileName
- Deletes c:\327882r2fwjfw\DIRNAM~1
- Deletes c:\327882r2fwjfw\osVer00
- Deletes c:\Start_.cmd
Help the Webroot Community to fight cyber crime
We are always looking for ways to improve the quality and speed of research to help us protect you from malicious software and cyber crime.
PCMag.com Editors' Choice Award Logo is a trademark of Ziff Davis Publishing Holdings Inc. Used under license.