Prevx Research Division
333.EXE
Cloaked MalwareFree PC Cleanup from Webroot
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Associated Malware Groups
The filename is associated with the malware groups:
- Cloaked Malware
- Worm
- Malware Downloader
- Malicious Software
File Behavior
333.EXE has been seen to perform the following behavior:
- Found on infected systems and resists interrogation by security products
- 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
- This Process is a file infector which modifies program files to include a copy of the infection
- Reads email address and phone book details
- Drops known malicious software during execution
- Drops or installs rogue security products
- Disables or impairs the normal operation of the Windows Security Center
- Opens browser pop ups
- Writes to another Process's Virtual Memory (Process Hijacking)
- Terminates Processes
- Registers a Dynamic Link Library File
333.EXE has been the subject of the following behavior:
- Created as a new Background Service on the machine
- Executed as a Process
- Created as a process on disk
- Created by processes which appear to be checking for interception by security products
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Registered as a Dynamic Link Library File
Country Of Origin
The filename 333.EXE was first seen on Aug 18 2007 in the following geographical regions of the Webroot community:
- Europe on Aug 18 2007
- Israel on Aug 18 2007
- Spain on Nov 2 2007
- France on Sep 11 2009
- The United States on Jun 14 2010
- The United Kingdom on Jun 14 2010
- Turkey on May 18 2012
File Name Aliases
333.EXE can also use the following file name:
- CEUIVQRG.SYS
- 小勇QQ炸弹正式版.EXE
- 333[n].EXE
- 300.EXE
- 47297447.EXE
Filesizes
The following file size has been seen:
- 27,648 bytes
- 525,312 bytes
- 61,440 bytes
- 108,393 bytes
- 106,499 bytes
- 70,144 bytes
- 68,096 bytes
File Type
The filename 333.EXE refers to many versions of an executable program.
File Activity
One or more files with the name 333.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\IEXPLORE.EXE
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\00000e0400000e74.ur
- Deletes c:\docume~1\user\locals~1\temp\00000e0400000e74.ur
- Creates c:\docume~1\user\locals~1\temp\00000e0400000c78.ur
- Deletes c:\docume~1\user\locals~1\temp\00000e0400000c78.ur
- Creates c:\documents and settings\user\desktop\WinPC Defender.LNK
- Creates c:\documents and settings\user\start menu\WinPC Defender.LNK
- Creates c:\documents and settings\user\local settings\application data\GDIPFONTCACHEV1.DAT
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