Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'GoogleUpdate' = 'C:\WinData\Microsoft Studio\kas.exe'
Malicious functions:
Creates and executes the following:
- C:\WinData\Microsoft Studio\kas.exe
Executes the following:
- <SYSTEM32>\attrib.exe +h +s /d /s "C:\WinData"
Modifies file system :
Creates the following files:
- C:\WinData\Microsoft Studio\done.txt
- C:\WinData\Microsoft Studio\dll.sys
- C:\WinData\Microsoft Studio\kas.exe
Moves the following files:
- from C:\WinData\Microsoft Studio\done.txt to C:\WinData\Microsoft Studio\dll-01.08.30_date-23.10.2012.sys
Network activity:
Connects to:
- '<Private IP address>':0