Prevx Research Division
40.EXE
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove 40.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 unsafe files using this name are associated with the malware group:
- Cloaked Malware
File Behavior
40.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- This process creates other processes on disk
- Enables an In Process Object/Server - Common with DLL Injections
- Creation and Registers a Browser Helper Object in Internet Explorer
- Creates system tray popups, messages, errors and security warnings
- Uses DNS to retrieve the IP address for web sites
- Uses rootkit techniques to conceal its presence, interrogation or removal
40.EXE has been the subject of the following behavior:
- Executed from Temporary Folders
- Terminated as a Process
- Created as a process on disk
- Deleted as a process from disk
- Has code inserted into its Virtual Memory space by other programs
- Executed as a Process
Country Of Origin
The filename 40.EXE was first seen on Oct 22 2007 in the following geographical regions of the Webroot community:
- India on Oct 22 2007
- Spain on Oct 25 2007
- Canada on Sep 11 2008
- The United States on Sep 13 2008
- Sri Lanka on Feb 6 2012
- Nepal on Feb 6 2012
- Turkey on May 23 2012
File Name Aliases
40.EXE can also use the following file names:
- 40[1].EXE
- 85208144
- 53173279
- S30C
Filesizes
The following file size has been seen:
- 973,312 bytes
- 163,773 bytes
- 273,016 bytes
- 25,600 bytes
- 5,116,372 bytes
- 11,601 bytes
File Type
The filename 40.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name 40.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\docume~1\user\locals~1\temp\nsw7.tmp
- Creates c:\docume~1\user\locals~1\temp\nsl9.tmp
- Deletes c:\docume~1\user\locals~1\temp\nslB.tmp
- Creates c:\docume~1\user\locals~1\temp\nslb.tmp\System.dll
- Creates c:\windows\system32\xdjrtecswiaartg.dll
- Creates c:\docume~1\user\locals~1\temp\nslb.tmp\NSISdl.dll
- Creates c:\docume~1\user\locals~1\temp\activation_key
- Deletes c:\docume~1\user\locals~1\temp\activation_key
- Opens/modifes c:\autoexec.bat
- Creates c:\documents and settings\user\application data\Microsoft
- Creates c:\documents and settings\user\application data\microsoft\Crypto
- Creates c:\documents and settings\user\application data\microsoft\crypto\RSA
- Creates c:\documents and settings\user\application data\microsoft\crypto\rsa\S-1-5-21-3133978997-954458941-1113405472-1003
- Deletes c:\docume~1\user\locals~1\temp\nslb.tmp\NSISdl.dll
- Deletes c:\docume~1\user\locals~1\temp\nslb.tmp\System.dll
Network Activity
One or more files with the name 40.EXE performs the following network events:
- DNS Lookup85.92.152.44 mysidesearch.com
Website Activity
One or more files with the name 40.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:85.92.152.44
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.