File Investigation Report
SASYG1Y8.COMCloaked Malware
Your PC is infected. The file called SASYG1Y8.COM is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including SASYG1Y8.COM as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The filename is associated with the malware group:
- Cloaked Malware
File Behavior
SASYG1Y8.COM has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Creates a new Background Service on the machine
- This Process Creates Other Processes On Disk
- Loads and Executes a System Driver File
- This Process Deletes Other Processes From Disk
- Registers a Dynamic Link Library File
- Executes a Process
- Injects code into other processes
- Writes to another Process's Virtual Memory (Process Hijacking)
SASYG1Y8.COM 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
- Deleted as a process from disk
- Copied to multiple locations on the system
- Registered as a Dynamic Link Library File
Country Of Origin
The filename SASYG1Y8.COM was first seen on Sep 19 2008 in the following geographical regions of the Prevx community:
- BRAZIL on Sep 19 2008
- The EUROPEAN UNION on Sep 19 2008
- SPAIN on Sep 19 2008
- The UNITED KINGDOM on Sep 19 2008
File Name Aliases
SASYG1Y8.COM can also use the following file names:
- KAVO.EXE
- 2.EXE
- DC24.COM
Filesizes
The following file size has been seen:
- 117,762 bytes
- 116,057 bytes
- 116,277 bytes
Vendor, Product and Version Information
These files have no vendor, product or version information specified in the file header.
File Type
The filename SASYG1Y8.COM refers to many versions of an executable program.
File Activity
One or more files with the name SASYG1Y8.COM creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\drivers\klif.sys
- Deletes c:\windows\system32\drivers\klif.sys
- Deletes c:\windows\system32\kavo.exe
- Deletes c:\windows\system32\kavo0.dll
- Creates c:\windows\system32\kavo0.dll
- Deletes c:\sasyg1y8.co
- Copies filec:\windows\system32\kavo.exe to c:\sasyg1y8.co
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\sasyg1y8.co
- Copies filec:\windows\system32\kavo.exe to d:\sasyg1y8.co
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\cc.rar
- Deletes c:\windows\tt.ex
- Deletes c:\docume~1\user\locals~1\temp\ff.rar
- Opens/modifes c:\autoexec.bat
- Moves c:\docume~1\user\locals~1\temp\cc.exe to c:\docume~1\user\locals~1\temp\nod132.tmp
- Creates c:\windows\tt.exe
- Deletes c:\windows\system32\tavo.exe
- Copies filec:\windows\tt.exe to c:\windows\system32\tavo.exe
- Deletes c:\windows\system32\tavo0.dll
- Creates c:\windows\system32\tavo0.dll
- Moves c:\docume~1\user\locals~1\temp\ff.exe to c:\docume~1\user\locals~1\temp\nod26F.tmp
- Creates c:\windows\2.exe
- Copies filec:\windows\2.exe to c:\windows\system32\kavo.exe
- Deletes c:\windows\system32\kavo1.dll
- Creates c:\windows\system32\kavo1.dll
Registry Activity
One or more files with the name SASYG1Y8.COM creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run kava C:\WINDOWS\system32\kavo.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced Hidden value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced ShowSuperHidden value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer NoDriveTypeAutoRun [REG_DWORD, value: 00000091]
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run tava C:\WINDOWS\system32\tavo.exe
Website Activity
One or more files with the name SASYG1Y8.COM interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1085 Port:19
- Port 80 IP:61.162.230.86
- TCP:127.0.0.1:1091 Port:19
- TCP:127.0.0.1:1094 Port:17
- TCP:127.0.0.1:1097 Port:17