Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corp' = '%TEMP%\alg.exe '
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corp' = '%TEMP%\alg.exe '
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\SYSTEM\SYSTEM32\Explorer.exe
- <Drive name for removable media>:\SYSTEM\SYSTEM32\Desktop.ini
Malicious functions:
Creates and executes the following:
- %TEMP%\alg.exe
Executes the following:
- <SYSTEM32>\netsh.exe firewall add allowedprogram alg.exe alg ENABLE
Modifies file system :
Creates the following files:
- <SYSTEM32>\importantdoc.tmp
- <SYSTEM32>\LNKnell.exe
- %TEMP%\alg.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\SYSTEM\SYSTEM32\Explorer.exe
- %TEMP%\alg.exe
Network activity:
Connects to:
- '2-####.no-ip.biz':6666
UDP:
- DNS ASK 2-####.no-ip.biz
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
