File Investigation Report
WINHOS.EXE
Malicious SoftwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The filename is associated with the malware groups:
- Malicious Software
- System Back Door
File Behavior
WINHOS.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- This Process Deletes Other Processes From Disk
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This process creates other processes on disk
- Executes a Process
- Can make outbound communication to other computers, IM chat rooms and other services using IRC protocols
- Can communicate with other computer systems using HTTP protocols
- Opens browser pop ups
- Uses your PC to connect to Chat rooms
- Writes to another Process's Virtual Memory (Process Hijacking)
- Uses DNS to retrieve the IP address for web sites
WINHOS.EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Added as a Registry auto start to load Program on Boot up
- Deleted as a process from disk
- Copied to multiple locations on the system
- Created as a new Background Service on the machine
- Added as a Registry Key (DXCOM) to auto start Programs on system start up
- Has code inserted into its Virtual Memory space by other programs
Country Of Origin
The filename WINHOS.EXE was first seen on Apr 22 2008 in the following geographical regions of the Prevx community:
- MEXICO on Apr 22 2008
- The UNITED KINGDOM on Apr 22 2008
- SPAIN on Jul 8 2008
File Name Aliases
WINHOS.EXE can also use the following file names:
- NADER22[1].EXE
- EXPLORER.EXE
- CSRS.EXE
- RRKMQLFN.EXE
- FFKWL.EXE
- ERDEL.EXE
- WYWOK.EXE
- IZ[n].EXE
- ISI32.EXE
- 73375734.EXE
- TMP32.EXE
- 24377277.EXE
Filesizes
The following file size has been seen:
- 32,768 bytes
- 21,873 bytes
- 32,637 bytes
File Type
The filename WINHOS.EXE refers to many versions of an executable program.
File Activity
One or more files with the name WINHOS.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\windows\system32\csrs.exe
Website Activity
One or more files with the name WINHOS.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:211.95.79.246:6666 Port:7
- TCP:67.43.236.106:6666 Port:7
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