Prevx Research Division
TWUNK_32.EXE
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Use Webroot SecureAnywhere to remove TWUNK_32.EXE.
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Worm
File Behavior
TWUNK_32.EXE has been seen to perform the following behavior:
- Registers a Dynamic Link Library File
- Executes a Process
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Disables safe mode on your PC
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
TWUNK_32.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Deleted as a process from disk
- Created by processes which appear to be checking for interception by security products
- Copied to multiple locations on the system
Country Of Origin
The filename TWUNK_32.EXE was first seen on May 3 2007 in the following geographical regions of the Webroot community:
- Europe on May 3 2007
- Spain on Sep 28 2007
- The United States on Sep 28 2007
- South Africa on Jul 7 2008
- The United Kingdom on Dec 17 2010
- Thailand on May 22 2012
File Name Aliases
TWUNK_32.EXE can also use the following file names:
- 38851628.EXE
Filesizes
The following file size has been seen:
- 143,360 bytes
- 182,127 bytes
- 54,272 bytes
- 32,256 bytes
- 25,600 bytes
File Type
The filename TWUNK_32.EXE refers to many versions of an executable program.
File Activity
One or more files with the name TWUNK_32.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\FILELOCK.TMP
- Deletes c:\docume~1\user\locals~1\temp\FILELOCK.TMP
- Creates c:\docume~1\user\locals~1\temp\TWAIN.LO
- Creates c:\docume~1\user\locals~1\temp\Twunk002.MTX
- Deletes d:\autorun.in
- Moves d:\1.taz to d:\autorun.in
- Deletes c:\autorun.in
- Moves c:\1.taz to c:\autorun.in
- Deletes c:\documents and settings\user\local settings\application data\microsoft\cd burning\autorun.in
- Deletes c:\documents and settings\user\local settings\application data\microsoft\cd burning\zPharaoh.ex
- Opens/modifes c:\autoexec.bat
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