Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'zuaseu' = '%HOMEPATH%\zuaseu.exe /b'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\rcxb.tmp
- <Drive name for removable media>:\rcxc.tmp
- <Drive name for removable media>:\rcxd.tmp
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\rcxe.tmp
- <Drive name for removable media>:\rcx10.tmp
- <Drive name for removable media>:\3.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\rcx11.tmp
- <Drive name for removable media>:\rcx12.tmp
- <Drive name for removable media>:\rcx13.tmp
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\rcx14.tmp
- <Drive name for removable media>:\rcxa.tmp
- <Drive name for removable media>:\rcxf.tmp
- <Drive name for removable media>:\rcx9.tmp
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\zuaseu.exe
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\rcx1.tmp
- <Drive name for removable media>:\rcx2.tmp
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\rcx3.tmp
- <Drive name for removable media>:\rcx4.tmp
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\rcx5.tmp
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\rcx6.tmp
- <Drive name for removable media>:\dashborder_96.exe
- <Drive name for removable media>:\rcx7.tmp
- <Drive name for removable media>:\rcx8.tmp
- <Drive name for removable media>:\rcx15.tmp
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%\zuaseu.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\zuaseu.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\dashborder_96.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\3.exe
Substitutes the following files
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\dashborder_96.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\3.exe
Network activity
Connects to
- '255.255.255.255':8003
UDP
- DNS ASK ns#.##ayer1352.com
- DNS ASK ns#.##ayer1352.net
- DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\zuaseu.exe'
