File Investigation Report
ZJKGO.EXECloaked Malware
Your PC may be infected. The presence of a file called ZJKGO.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 ZJKGO.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
- Worm
File Behavior
ZJKGO.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Injects code into other processes
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- Uses your PC to connect to Chat rooms
- The Process is polymorphic and can change its structure
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This Process Creates Other Processes On Disk
- Executes a Process
- Writes to another Process's Virtual Memory (Process Hijacking)
- This Process Deletes Other Processes From Disk
- Opens browser pop ups
- Registers a Dynamic Link Library File
- Can make outbound communication to other computers, IM chat rooms and other services using IRC protocols
- Creates a TCP port which listens and is available for communication initiated by other computers
- Sends email using SMTP protocols
- Can examine and Send Email using POP3 protocols
- Can communicate with other computer systems using HTTP protocols
- Makes outbound connections to other computers using NETBIOSOUT protocols
ZJKGO.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Added as a Registry auto start to load Program on Boot up
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Copied to multiple locations on the system
- Registered as a Dynamic Link Library File
- Terminated as a Process
Country Of Origin
The filename ZJKGO.EXE was first seen on Jun 30 2007 in the following geographical regions of the Prevx community:
- SPAIN on Jun 30 2007
- FRANCE on Jun 30 2007
- POLAND on Dec 29 2007
- LITHUANIA on Jan 1 2008
- The UNITED KINGDOM on May 2 2008
- CANADA on Aug 7 2008
- ITALY on Oct 6 2008
File Name Aliases
ZJKGO.EXE can also use the following file names:
- ALGS.EXE
- 72539224.SVD
- 61478677.DAT
- SPOOISV.EXE
- 83948583.SVD
- EXPLORER.EXE
- CSRS.EXE
- 17539507.DAT
- 41687811.DAT
- 71864331.TMP
- 36855612.SVD
- 86525191.DAT
- 33473524.DAT
- 34925801.DAT
- 08300554.DAT
- LOGON.EXE
- AMTPP.EXE
- QMBSWV.EXE
- LSSAS.EXE
- RLTQTNK.EXE
- CQWBM.EXE
- PKCF.EXE
- YCGCXO.EXE
- 35327886.DAT
- VTVWID.EXE
- SPOOLSVC.EXE
Filesizes
The following file size has been seen:
- 93,316 bytes
- 68,778 bytes
- 150,016 bytes
- 143,360 bytes
- 69,120 bytes
- 435,200 bytes
- 153,088 bytes
- 421,376 bytes
Vendor, Product and Version Information
Files with the name ZJKGO.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- ; ; 1.00
File Type
The filename ZJKGO.EXE refers to many versions of an executable program.
File Activity
One or more files with the name ZJKGO.EXE creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
Network Activity
One or more files with the name ZJKGO.EXE performs the following network events:
- DNS Lookup85.114.137.60 ircd.zief.pl
Website Activity
One or more files with the name ZJKGO.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:85.114.137.60