Technical Information
Malicious functions
Executes the following
- '%WINDIR%\syswow64\taskkill.exe' /im "PrintFolders.exe" /f
Modifies file system
Creates the following files
- %TEMP%\is-fefo8.tmp\is-m8a0g.tmp
- %TEMP%\is-vi4se.tmp\_isetup\_setup64.tmp
- %TEMP%\is-vi4se.tmp\_isetup\_shfoldr.dll
- %TEMP%\is-vi4se.tmp\_iscrypt.dll
- %ProgramFiles(x86)%\printfolders\is-3o55j.tmp
- %ProgramFiles(x86)%\printfolders\is-djdpj.tmp
- %ProgramFiles(x86)%\printfolders\is-os4sv.tmp
- %ProgramFiles(x86)%\printfolders\is-igsa1.tmp
- %ProgramFiles(x86)%\printfolders\is-tacok.tmp
- %ProgramFiles(x86)%\printfolders\is-4og3q.tmp
- %ProgramFiles(x86)%\printfolders\unins000.dat
- %ProgramFiles(x86)%\printfolders\printfolders.exe
- %APPDATA%\{846ee340-7039-11de-9d20-806e6f6e6963}\yzvavy2x1wsjz.exe
Deletes the following files
- %TEMP%\is-fefo8.tmp\is-m8a0g.tmp
- %ProgramFiles(x86)%\printfolders\printfolders.exe
Moves the following files
- from %ProgramFiles(x86)%\printfolders\is-3o55j.tmp to %ProgramFiles(x86)%\printfolders\unins000.exe
- from %ProgramFiles(x86)%\printfolders\is-djdpj.tmp to %ProgramFiles(x86)%\printfolders\guide.chm
- from %ProgramFiles(x86)%\printfolders\is-os4sv.tmp to %ProgramFiles(x86)%\printfolders\history.txt
- from %ProgramFiles(x86)%\printfolders\is-igsa1.tmp to %ProgramFiles(x86)%\printfolders\license.txt
- from %ProgramFiles(x86)%\printfolders\is-tacok.tmp to %ProgramFiles(x86)%\printfolders\russian.dll
- from %ProgramFiles(x86)%\printfolders\is-4og3q.tmp to %ProgramFiles(x86)%\printfolders\printfolders.exe
Network activity
Connects to
- '45.##9.105.171':80
- '10#.#82.129.235':80
- '17#.#2.30.106':80
TCP
HTTP GET requests
- http://45.##9.105.171/itsnotmalware/count.php?su#######################################
- http://10#.#82.129.235/storage/ping.php
- http://10#.#82.129.235/storage/extension.php
- http://17#.#2.30.106/library.php
Miscellaneous
Searches for the following windows
- ClassName: '{873D7C7A-78F2-476F-86FF-490209085EA8}' WindowName: ''
- ClassName: '' WindowName: ''
Creates and executes the following
- '%TEMP%\is-fefo8.tmp\is-m8a0g.tmp' /SL4 $120228 "<Full path to file>" 1072181 51712
- '%ProgramFiles(x86)%\printfolders\printfolders.exe'
- '%APPDATA%\{846ee340-7039-11de-9d20-806e6f6e6963}\yzvavy2x1wsjz.exe'
- '%WINDIR%\syswow64\cmd.exe' /c taskkill /im "PrintFolders.exe" /f & erase "%ProgramFiles(x86)%\PrintFolders\PrintFolders.exe" & exit' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c taskkill /im "PrintFolders.exe" /f & erase "%ProgramFiles(x86)%\PrintFolders\PrintFolders.exe" & exit
