Prevx Research Division
"VYRE32.EXE"
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Associated Malware Groups
The filename is associated with the malware groups:
- Worm
- Malware Dropper
File Behavior
VYRE32.EXE has been seen to perform the following behavior:
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
- Can communicate with other computer systems using HTTP protocols
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This process creates other processes on disk
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- Injects code into other processes
- Registers a Dynamic Link Library File
- This Process Deletes Other Processes From Disk
- Creates or uses a background service to access the Internet using HTTP protocols
- Performs DNS look ups to resolve URL IP addresses
- Found on infected systems and resists interrogation by security products
VYRE32.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Registered as a Dynamic Link Library File
- Terminated as a Process
Country Of Origin
The filename VYRE32.EXE was first seen on Oct 16 2010 in the following geographical regions of the Webroot community:
- The United States on Oct 16 2010
- Croatia on Oct 18 2010
- Romania on Feb 12 2011
- South Africa on Feb 12 2011
- Australia on Apr 14 2011
File Name Aliases
VYRE32.EXE can also use the following file names:
- E68CDEB4.EXE
- CBA71DF2.EXE
- VYRE32TURURU.EXE
- WORS.EXE
- VYRE32.BAT
- CDIR.EXE
- COLII.EXE
- CUT.EXE
- CUT[1].GIF
- VYRE32COSOO.EXE
- VYRE32FGNASD.EXE
- BNT.EXE
- CUT.GIF
- CUT_001.GIF
- MSC.EXE
- VR.EXE
- 513678.EXE
- .EXE
- 211.EXE
- 246.EXE
- 412.EXE
- 942.EXE
- 86556098.EXE
Filesizes
The following file size has been seen:
- 102,400 bytes
- 98,304 bytes
- 77,824 bytes
- 155,648 bytes
File Type
The filename VYRE32.EXE refers to many versions of an executable program.
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