Prevx Research Division
MAHJONG.EXE
Malicious SoftwareFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Malicious Software
- Worm
File Behavior
MAHJONG.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Executes a Process
- Writes to another Process's Virtual Memory (Process Hijacking)
- Terminates Processes
- Registers a Dynamic Link Library File
- Checks for the use of debuggers
- Enables an In Process Object/Server - Common with DLL Injections
- Uses low level raw disk access which could bypass security applications and checks
- Drops known malicious software during execution
- Uses physical device level disk access which could bypass security applications and checks
MAHJONG.EXE has been the subject of the following behavior:
- Created as a process on disk
- Deleted as a process from disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
Country Of Origin
The filename MAHJONG.EXE was first seen on May 15 2007 in the following geographical regions of the Webroot community:
- on May 15 2007
- Thailand on May 15 2007
- Europe on Feb 1 2008
- Australia on Oct 11 2008
File Name Aliases
MAHJONG.EXE can also use the following file names:
- DWHF7A9.TMP
- EXPLORER.EXE
- BIG KAHUNA REEF 2.EXE
- GAME.EXE
- LITTLEFARM.EXE
- MONARCH.EXE
- OLD-GAME.EXE
- BIG KAHUNA REEF 2.EXE.BAK
- LITTLEFARM.EXE.BAK
- GAME.EXE.BAK
- MAHJONG_.EXE
- $RL92DH1.EXE
- 7 WONDERS II.EXE
- DD2.EXE
- 79185623.DAT
Filesizes
The following file size has been seen:
- 722,428 bytes
- 281,695 bytes
- 856,064 bytes
- 914,613 bytes
- 531,968 bytes
- 262,144 bytes
- 1,003,520 bytes
File Type
The filename MAHJONG.EXE refers to many versions of an executable program.
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