File Investigation Report
PREVXCSI.EXE
Cloaked MalwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Malware Downloader
File Behavior
PREVXCSI.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Found on infected systems and resists interrogation by security products
- This process creates other processes on disk
- This Process is a file infector which modifies program files to include a copy of the infection
- Uses rootkit techniques to conceal its presence, interrogation or removal
PREVXCSI.EXE has been the subject of the following behavior:
- Executed as a Process
- Added as a Registry auto start to load Program on Boot up
- Added as a Registry Key (RUNONCE) to auto start Programs on system start up
- Created as a new Background Service on the machine
- Created as a process on disk
- Registered as a Dynamic Link Library File
- Copied to multiple locations on the system
- This Process may have been infected by a file infecting virus
- Changes to the file command map within the registry
Country Of Origin
The filename PREVXCSI.EXE was first seen on Mar 13 2008 in the following geographical regions of the Prevx community:
- The United States on Mar 13 2008
- Canada on Apr 2 2008
- Spain on Mar 14 2009
- Ethiopia on Mar 28 2009
- Australia on Jun 12 2010
File Name Aliases
PREVXCSI.EXE can also use the following file names:
- PREVX.EXE
- YTBB.EXE
- REGPOWERCLEAN.EXE
- PCCONFIDENTIAL.EXE
- JUSCHED.EXE
- BTWDINS.EXE
- MSCAMS32.EXE
- SP_RSSER.EXE
- TEATIMER.EXE
- BTTRAY.EXE
- WLCOMM.EXE
- USNSVC.EXE
- NEMESISCLIENT.EXE
- TVTSCHED.EXE
- IPODSERVICE.EXE
- WMPNETWK.EXE
- SUSERVICE.EXE
- AVPEWVOW.EXE
- JQS.EXE
- EGUI.EXE
- BTNTSERVICE.EXE
- RDQNVQHC.EXE
- FIREFOX.EXE
- HJAHOQDI.EXE
- SUP_GAMEBOOSTER.EXE
- XAOSUHHF.EXE
- ADECK.EXE
- WINRAR.EXE
- ASHDISP.EXE
- FNPLICENSINGSERVICE.EXE
- IEXPLORE.EXE
- RDYENCON.EXE
- AMLCSVC.EXE
- GMMAILER.EXE
- BHEPCLS.EXE
- LRECVTRAP.EXE
- LMGRD.EXE
- CCLEANER.EXE
- WINIZEW.EXE
- PCATCV.EXE
- BUDDYCHECK.EXE
- UNIKEYNT.EXE
- IDMAN.EXE
- LOGMEIN.EXE
- UEDIT32.EXE
- MCPROXY.EXE
- MCNASVC.EXE
- GROOVEMONITOR.EXE
- ITUNESHELPER.EXE
- ROCKETDOCK.EXE
- MCMSCSVC.EXE
- MCSHIELD.EXE
- MCAGENT.EXE
Filesizes
The following file size has been seen:
- 6,377,352 bytes
- 113,152 bytes
- 231,424 bytes
- 4,368,952 bytes
- 200,192 bytes
- 43,520 bytes
- 20,113 bytes
File Type
The filename PREVXCSI.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name PREVXCSI.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\documents and settings\user\user
- Creates c:\docume~1\user\locals~1\temp\BN9.tmp
- Moves c:\program files\messenger\msmsgs.exe to c:\program files\messenger\sys1224184
- Moves c:\program files\prevx2\PXAgent.exe to c:\program files\prevx2\sys1224184
- Moves c:\program files\prevx2\PXConsole.exe to c:\program files\prevx2\sys1224184
- Moves c:\program files\windows live\messenger\msnmsgr.exe to c:\program files\windows live\messenger\sys12241848
- Moves c:\program files\windows live\messenger\usnsvc.exe to c:\program files\windows live\messenger\sys12241848
- Creates c:\windows\system32\drivers\nicsk32.sys
Network Activity
One or more files with the name PREVXCSI.EXE performs the following network events:
- DNS name server98.32.64.12
- DNS name server92.58.128.30
- DNS name server28.8.10.90
- DNS name server02.12.27.33
- DNS name server92.168.1.1
Website Activity
One or more files with the name PREVXCSI.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:208.43.162.84
- TCP:198.32.64.12:53 Port:14
- TCP:192.58.128.30:53 Port:14
- TCP:128.8.10.90:53 Port:14
- TCP:202.12.27.33:53 Port:14
- TCP:192.168.1.1:53 Port:14
- TCP:94.75.209.4:2004 Port:14
- TCP:94.100.176.20:25 Port:14
- TCP:209.85.219.56:25 Port:14
- TCP:64.233.183.27:25 Port:14
- TCP:66.111.4.74:25 Port:14
- TCP:216.157.145.27:25 Port:14
- TCP:209.85.219.55:25 Port:14
- TCP:94.100.176.20:25 Port:15
- TCP:209.85.219.56:25 Port:15
- TCP:64.233.183.27:25 Port:15
- TCP:66.111.4.74:25 Port:15
- TCP:216.157.145.27:25 Port:15
- TCP:209.85.219.55:25 Port:15
- TCP:94.100.176.20:25 Port:15
- TCP:209.85.219.56:25 Port:15
- TCP:64.233.183.27:25 Port:15
- TCP:216.157.145.27:25 Port:15
- TCP:66.111.4.74:25 Port:15
- TCP:209.85.219.55:25 Port:15
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