Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Malicious Software
- Malware Downloader
File Behavior
WINRAR.EXE has been seen to perform the following behavior:
- Uses hidden browser windows to connect to web sites without telling you
- Creates system tray popups, messages, errors and security warnings
- Opens browser pop ups
- Executes a Process
- The Process is packed and/or encrypted using a software packing process
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Registers a Windows APPINIT DLL To be loaded in all processes
- Adds products to the system registry
- Writes to another Process's Virtual Memory (Process Hijacking)
- Can communicate with other computer systems using HTTP protocols
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- Registers a Dynamic Link Library File
- Creates new folders on the system
- Disables safe mode on your PC
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
- Found on infected systems and resists interrogation by security products
WINRAR.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
- Has code inserted into its Virtual Memory space by other programs
- Executed by Internet Explorer
- Terminated as a Process
- Created as a new Background Service on the machine
- Registered as a Dynamic Link Library File
Country Of Origin
The filename WINRAR.EXE was first seen on May 31 2007 in the following geographical regions of the Webroot community:
- Poland on May 31 2007
- Europe on May 31 2007
- Hong Kong on Sep 11 2007
- Bulgaria on Sep 11 2007
- Canada on Apr 2 2008
- Spain on Aug 30 2008
- Brazil on Aug 30 2008
- Ethiopia on Mar 20 2009
- Azerbaijan on Oct 15 2010
- The United Kingdom on Nov 26 2010
Filesizes
The following file size has been seen:
- 1,040,384 bytes
- 1,268,457 bytes
- 1,245,696 bytes
- 71,320 bytes
- 26,112 bytes
- 2,941,563 bytes
- 942,592 bytes
- 54,784 bytes
- 138,752 bytes
File Type
The filename WINRAR.EXE is used by multiple object types including executable programs,self extracting compressed files,objects.
File Activity
One or more files with the name WINRAR.EXE creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
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