Prevx Research Division
"RIUOM.EXE"
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove RIUOM.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
Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Malicious Software
File Behavior
RIUOM.EXE has been seen to perform the following behavior:
- Registers a Dynamic Link Library File
- This process creates other processes on disk
- This Process is a file infector which modifies program files to include a copy of the infection
- Executes a Process
- Drops known malicious software during execution
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- Visits web sites on your PC without you knowing
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Writes to another Process's Virtual Memory (Process Hijacking)
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
- Changes the Windows Security Center to stop Antivirus status alerts from being displayed
- Changes the Windows Security Center to stop Firewall status alerts from being displayed
- Changes the Windows Security Center to stop Firewall override alerts from being displayed
- Changes the Windows Security Center to stop warnings from being displayed if automatic Windows Updates are not enabled
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- This Process Deletes Other Processes From Disk
RIUOM.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
- Terminated as a Process
- Registered as a Dynamic Link Library File
- Deleted as a process from disk
Country Of Origin
The filename RIUOM.EXE was first seen on Sep 11 2009 in the following geographical regions of the Webroot community:
- Europe on Sep 11 2009
- The United Kingdom on Dec 30 2009
- Costa Rica on Apr 25 2010
- Greece on Apr 25 2010
- Iran, Islamic Republic of on Jan 9 2011
- Botswana on May 17 2012
File Name Aliases
RIUOM.EXE can also use the following file names:
- XOAUSUF.EXE
- NHRIJ.SCR
- XOAUSUF.SCR
- NHRIJ.EXE
Filesizes
The following file size has been seen:
- 49,152 bytes
- 55,804 bytes
- 69,632 bytes
- 122,880 bytes
File Type
The filename RIUOM.EXE refers to many versions of an executable program.
Network Activity
One or more files with the name RIUOM.EXE performs the following network events:
- DNS Lookup212.95.38.219 ns2.theimageparlour.net
Website Activity
One or more files with the name RIUOM.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- xaimage .cn / 404 /
- TCP:212.95.38.219:8000 Port:16
- Port 80 IP:212.95.38.219
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.