Prevx Research Division
E9.EXE
Cloaked MalwareFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Cloaked Malware
File Behavior
E9.EXE has been seen to perform the following behavior:
- Found on infected systems and resists interrogation by security products
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Writes to another Process's Virtual Memory (Process Hijacking)
- The Process is packed and/or encrypted using a software packing process
E9.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
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Copied to multiple locations on the system
Country Of Origin
The filename E9.EXE was first seen on Mar 25 2008 in the following geographical regions of the Webroot community:
- Japan on Mar 25 2008
- China on Apr 2 2008
- Spain on Apr 2 2008
- Canada on Jan 10 2009
- Mexico on May 1 2011
- Thailand on Dec 19 2011
- The United States on Mar 17 2012
File Name Aliases
E9.EXE can also use the following file names:
- CMDBCS.EXE
- CONHOST.EXE
- 10[1].EXE
- 9.EXE
- 3.TMP
- EA.EXE
- F0.EXE
- 610.TMP
- A4D.TMP
- 15C.TMP
Filesizes
The following file size has been seen:
- 17,111 bytes
- 146,520 bytes
- 19,792 bytes
- 264,192 bytes
- 184,832 bytes
- 170,496 bytes
- 5,024,256 bytes
File Type
The filename E9.EXE refers to many versions of an executable program.
File Activity
One or more files with the name E9.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\windows\system32\cmdbcs.dll
- Creates c:\windows\system32\cmdbcs.dll
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