File Investigation Report
"REGV.EXE"
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- System Back Door
- Cloaked Malware
File Behavior
REGV.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
- Copies files
- This Process Deletes Other Processes From Disk
- Sets processes to start during user logon
- Creates a new Background Service on the machine
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Disables or impairs the normal operation of the Windows Security Center
- Executes a Process
- This Process is a file infector which modifies program files to include a copy of the infection
- Uses DNS to retrieve the IP address for web sites
- Uses reverse DNS to retrieve the host names on IP addresses
- Visits web sites on your PC without you knowing
- Uses your PC to connect to Chat rooms
- Uses low level functions to hide itself from the user and from system/security processes
REGV.EXE has been the subject of the following behavior:
- Created as a new Background Service on the machine
- Copied to multiple locations on the system
- Executed as a Process
Country Of Origin
The filename REGV.EXE was first seen on Feb 19 2008 in the following geographical regions of the Prevx community:
- SPAIN on Feb 19 2008
- BRAZIL on May 5 2009
- POLAND on May 5 2009
File Name Aliases
REGV.EXE can also use the following file names:
- FQG.EXE
- HKY.EXE
- BEU.EXE
- NGP.EXE
- KDK.EXE
- YRU.EXE
- KBR.EXE
- ZUD.EXE
- OLP.EXE
- ZUA.EXE
- HPP.EXE
- YUT.EXE
- YYP.EXE
- JCG.EXE
- EXM.EXE
- UHH.EXE
- XHA.EXE
- VYL.EXE
- WYC.EXE
- LHG.EXE
- OSP.EXE
- LPY.EXE
- NCJ.EXE
- HKS.EXE
- GFZ.EXE
- RFJ.EXE
- OSM.EXE
- HHR.EXE
- JSV.EXE
- CFN.EXE
- XDX.EXE
- GZO.EXE
- JPM.EXE
- DBF.EXE
- ERASEME_85778.EXE
- ERASEME_85733.EXE
- ERASEME_62638.EXE
- ERASEME_04787.EXE
- ERASEME_31182.EXE
- ERASEME_47380.EXE
- QYK.EXE
- RYG.EXE
- ERASEME_75466.EXE
- ERASEME_20768.EXE
- QGS.EXE
- ERASEME_43855.EXE
- ERASEME_83445.EXE
- ERASEME_18378.EXE
- ERASEME_01758.EXE
- ERASEME_41165.EXE
- ERASEME_76674.EXE
- ERASEME_84002.EXE
- PSL.EXE
- ERASEME_50047.EXE
- ERASEME_85488.EXE
- ERASEME_55077.EXE
- ERASEME_57248.EXE
- ERASEME_34432.EXE
- ERASEME_84033.EXE
- ERASEME_81235.EXE
- TEST1[1].EXE
- ERASEME_00376.EXE
- E1F6I1C8Z6C6.EXE
- TEST[n].EXE
- BOL.EXE
- VNX.EXE
- ERASEME_26483.EXE
- ERASEME_54771.EXE
- ERASEME_71446.EXE
- ERASEME_12304.EXE
- HVL.EXE
- FJT.EXE
- ERASEME_82640.EXE
- VIA.EXE
- EAA.EXE
- HXF.EXE
- ZDD.EXE
- AVM.EXE
- XIC.EXE
- CQR.EXE
- FUE.EXE
- GBL.EXE
- GWO.EXE
- LED.EXE
- XMV.EXE
- YVX.EXE
- EPI.EXE
- HWA.EXE
- ZCG.EXE
- TEW.EXE
- ERASEME_71702.EXE
- ERASEME_33201.EXE
- ERASEME_54631[n].EXE
- ERASEME_78847[n].EXE
- ERASEME_63564[n].EXE
- ERASEME_68850[n].EXE
- ERASEME_81038[n].EXE
- ERASEME_77348[n].EXE
- ERASEME_81734[n].EXE
- ERASEME_75620[n].EXE
- ERASEME_77086.EXE
- DQS.EXE
- PTL.EXE
- DFV.EXE
- ERV.EXE
- XBH.EXE
- ZNG.EXE
- TZX.EXE
- ZXK.EXE
- SZJ.EXE
- DLR.EXE
- TEST1[n].EXE
- 21148.EXE
- 58340.EXE
- 77537.EXE
Filesizes
The following file size has been seen:
- 741,376 bytes
- 877,056 bytes
- 27,648 bytes
- 862,208 bytes
File Type
The filename REGV.EXE refers to many versions of an executable program.
File Activity
One or more files with the name REGV.EXE creates, deletes, copies or moves the following files and folders:
- Copies filec:\8930517.exe to c:\windows\system32\drivers\Regv.exe
- Deletes c:\8930517.ex
- Opens/modifes c:\autoexec.bat
Network Activity
One or more files with the name REGV.EXE performs the following network events:
- DNS Lookupcaptcha142 home-off-d5f0ac
- DNS Lookup69.147.236.18 www.BALDMANPOWER.ORG
- DNS Lookup www.proxy.us.pl
- DNS Lookup91.121.184.14 www.proxy.us.pl
- DNS Lookup www.nassc.com
- DNS Lookup80.82.96.82 www.nassc.com
- DNS get hosthome-off-d5f0ac 0.0.0.0
Website Activity
One or more files with the name REGV.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- www .proxy .us .pl / azenv .php
- www .nassc .com / pr .php
- Port 80 IP:69.147.236.18
- Port 80 IP:91.121.184.14
- Port 80 IP:80.82.96.82
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