File Investigation Report
WJQS.EXECloaked Malware
Your PC may be infected. The presence of a file called WJQS.EXE is a possible sign of infection.
You should urgently check your PC to make sure it is not infected. The free version of Prevx CSI will scan your PC in less than two minutes and check for millions of spyware and malware infections including WJQS.EXE. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Fraudulent Security Program
File Behavior
WJQS.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Executes a Process
- Terminates Processes
- This Process Creates Other Processes On Disk
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This Process Deletes Other Processes From Disk
- Creates a TCP port which listens and is available for communication initiated by other computers
- Can communicate with other computer systems using HTTP protocols
- Executes Processes stored in Temporary Folders
- Adds Products to the system registry
- Modifies System Runtime Policies to limit system usability
- Writes to another Process's Virtual Memory (Process Hijacking)
- Creates new folders in the file system
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Registers a Dynamic Link Library File
- Disables the built in Windows File Protection System
- Injects code into other processes
WJQS.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
- Executed from Temporary Folders
- Registered as a Dynamic Link Library File
- Deleted as a process from disk
- Executed by Internet Explorer
- Copied to multiple locations on the system
Country Of Origin
The filename WJQS.EXE was first seen on Aug 6 2008 in the following geographical regions of the Prevx community:
- The UNITED KINGDOM on Aug 6 2008
- SPAIN on Aug 16 2008
- BELGIUM on Oct 5 2008
- CANADA on Nov 20 2008
File Name Aliases
WJQS.EXE can also use the following file names:
- SVCHOST.EXE
- ._FILE[1].EXE
- 10523319.SVD
- 84967D09-6B63-4CBB-902D-3941E38CF981_SVCHOST.EXE
- 94563862.EXE
- 96976277.DAT
- VKNGFARQ.EXE
- 24116027.EXE
- ._FILE[n].EXE
- LWBMDCTA.EXE
- WJQS.EXE.BAK
- HCJADODU.EXE
- CHMVORIF.EXE
- FSBEHKBI.EXE
- YVKZIZYP.EXE
- WIN32UPD.EXE.BAK
- JUJETEPW.EXE
- FKJEXGHY.EXE
- APAZUFQL.EXE
- UPDATE[n].EXE
- 97168519.SVD
- 1[1].EXE
- LDR.EXE
- 1.TMP
- TWEXT.EXE
- A.EXE
- 76427785.EXE
- 95195008.EXE
- 56967392.EXE
- 41384836.EXE
- 12199041.EXE
- 81612932.EXE
- 39262783.DAT
Filesizes
The following file size has been seen:
- 29,696 bytes
- 24,554 bytes
- 73,728 bytes
- 188,416 bytes
- 51,200 bytes
- 30,208 bytes
- 47,616 bytes
Vendor, Product and Version Information
Files with the name WJQS.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- Microsoft Corporation; ; 1,0,0,822
- uioa; hryat; 3, 8, 7, 8
File Type
The filename WJQS.EXE refers to many versions of an executable program.
File Activity
One or more files with the name WJQS.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\3d53_appcompat.txt
- Creates c:\docume~1\user\locals~1\temp\1433E.dmp
- Opens/modifes c:\autoexec.bat