Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'hkrup' = '%HOMEPATH%\hkrup.exe /W'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\4f0bf7ff71f28.exe
- <Drive name for removable media>:\210252809.exe
- <Drive name for removable media>:\3.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\dial.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\dashborder_120.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\hkrup.exe
- <Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
- <Drive name for removable media>:\fil_20060629111052.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system
Creates the following files
- %HOMEPATH%\hkrup.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\hkrup.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- '255.255.255.255':8003
UDP
- DNS ASK ns#.##ayer1352.com
- DNS ASK ns#.##ayer1352.net
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\hkrup.exe'
