Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\<File name>.exe
Creates the following files on removable media
- <Drive name for removable media>:\sarajay.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\508softwareandos.doc
- %HOMEPATH%\desktop\tileimage.bmp
- %HOMEPATH%\desktop\sdszfo.docx
- %HOMEPATH%\desktop\sdkfailsafeemulator.cer
- %HOMEPATH%\desktop\ituneshelpunavailable.html
- %HOMEPATH%\desktop\hanni_umami_chapter.doc
- %HOMEPATH%\desktop\delete.avi
- %HOMEPATH%\desktop\uep_form_786_bulletin_1726i602.doc
- %HOMEPATH%\desktop\default.bmp
- %HOMEPATH%\desktop\dashborder_144.bmp
- %HOMEPATH%\desktop\dashborder_120.bmp
- %HOMEPATH%\desktop\correct.avi
- %HOMEPATH%\desktop\contoso.cer
- %HOMEPATH%\desktop\archer.avi
- %HOMEPATH%\desktop\api-hashmap.html
- %HOMEPATH%\desktop\dashborder_96.bmp
- %HOMEPATH%\desktop\weeklysheet1215.doc
Modifies file system
Creates the following files
- C:\readme.txt
- %HOMEPATH%\favorites\microsoft websites\microsoft at work.url.poteston
- %HOMEPATH%\favorites\microsoft websites\microsoft at home.url.poteston
- %HOMEPATH%\favorites\microsoft websites\ie site on microsoft.com.url.poteston
- %HOMEPATH%\favorites\microsoft websites\ie add-on site.url.poteston
- %HOMEPATH%\favorites\links for united states\readme.txt
- %HOMEPATH%\favorites\links for united states\usa.gov.url.poteston
- %HOMEPATH%\favorites\links for united states\gobiernousa.gov.url.poteston
- %HOMEPATH%\favorites\microsoft websites\readme.txt
- %HOMEPATH%\favorites\microsoft websites\microsoft store.url.poteston
- %HOMEPATH%\favorites\links\web slice gallery.url.poteston
- %HOMEPATH%\favorites\links\suggested sites.url.poteston
- %HOMEPATH%\favorites\links\desktop.ini.poteston
- %HOMEPATH%\favorites\desktop.ini.poteston
- %HOMEPATH%\saved games\desktop.ini.poteston
- %HOMEPATH%\music\readme.txt.poteston
- %HOMEPATH%\music\desktop.ini.poteston
- %HOMEPATH%\favorites\links for united states\desktop.ini.poteston
- %HOMEPATH%\links\recentplaces.lnk.poteston
- %HOMEPATH%\favorites\msn websites\msn autos.url.poteston
- C:\autorun.inf
- C:\sarajay.exe
- %HOMEPATH%\videos\readme.txt.poteston
- %HOMEPATH%\videos\desktop.ini.poteston
- %HOMEPATH%\searches\indexed locations.search-ms.poteston
- %HOMEPATH%\searches\everywhere.search-ms.poteston
- %HOMEPATH%\searches\desktop.ini.poteston
- %HOMEPATH%\favorites\windows live\readme.txt
- %HOMEPATH%\favorites\windows live\windows live spaces.url.poteston
- %HOMEPATH%\favorites\windows live\windows live mail.url.poteston
- %HOMEPATH%\favorites\windows live\windows live gallery.url.poteston
- %HOMEPATH%\favorites\windows live\get windows live.url.poteston
- %HOMEPATH%\favorites\msn websites\readme.txt
- %HOMEPATH%\favorites\msn websites\msnbc news.url.poteston
- %HOMEPATH%\favorites\msn websites\msn.url.poteston
- %HOMEPATH%\favorites\msn websites\msn sports.url.poteston
- %HOMEPATH%\favorites\msn websites\msn money.url.poteston
- %HOMEPATH%\pictures\readme.txt.poteston
- %HOMEPATH%\favorites\links\readme.txt
- %HOMEPATH%\pictures\desktop.ini.poteston
- %HOMEPATH%\downloads\winamp5666_full_all.exe.poteston
- %HOMEPATH%\downloads\thunderbird setup 31.6.0.exe.poteston
- %HOMEPATH%\desktop\correct.avi.poteston
- %HOMEPATH%\desktop\total commander 64 bit.lnk.poteston
- %HOMEPATH%\desktop\telegram.lnk.poteston
- %HOMEPATH%\desktop\qip 2012.lnk.poteston
- %HOMEPATH%\desktop\notepad.exe.poteston
- %HOMEPATH%\desktop\mail.ru agent.lnk.poteston
- %HOMEPATH%\desktop\icq.lnk.poteston
- %HOMEPATH%\desktop\desktop.ini.poteston
- %HOMEPATH%\desktop\contoso.cer.poteston
- %HOMEPATH%\links\desktop.lnk.poteston
- %HOMEPATH%\desktop\calc.exe.poteston
- %HOMEPATH%\desktop\archer.avi.poteston
- %HOMEPATH%\desktop\api-hashmap.html.poteston
- %HOMEPATH%\desktop\508softwareandos.doc.poteston
- D:\readme.txt
- D:\$recycle.bin\readme.txt
- D:\install.log.poteston
- D:\sarajay.exe
- %HOMEPATH%\favorites\msn websites\msn entertainment.url.poteston
- %HOMEPATH%\links\downloads.lnk.poteston
- %HOMEPATH%\contacts\user.contact.poteston
- %HOMEPATH%\links\desktop.ini.poteston
- %HOMEPATH%\downloads\tcmd851ax64.exe.poteston
- %HOMEPATH%\downloads\steamsetup.exe.poteston
- %HOMEPATH%\downloads\pidgin-2.10.11.exe.poteston
- %HOMEPATH%\downloads\opera_ni_stable.exe.poteston
- %HOMEPATH%\downloads\mirc741.exe.poteston
- %HOMEPATH%\downloads\magent_rfrset.exe.poteston
- %HOMEPATH%\downloads\k-lite_codec_pack_1110_mega_dlm.exe.poteston
- %HOMEPATH%\downloads\k-lite_codec_pack_1110_mega.exe.poteston
- %HOMEPATH%\downloads\jre-8u45-windows-x64.exe.poteston
- %HOMEPATH%\downloads\icq_rfrset.exe.poteston
- %HOMEPATH%\downloads\desktop.ini.poteston
- %HOMEPATH%\downloads\chromesetup.exe.poteston
- %HOMEPATH%\documents\my videos\readme.txt
- %HOMEPATH%\documents\my pictures\readme.txt
- %HOMEPATH%\documents\my music\readme.txt
- %HOMEPATH%\documents\desktop.ini.poteston
- %HOMEPATH%\contacts\desktop.ini.poteston
- D:\autorun.inf
Sets the 'hidden' attribute to the following files
- C:\autorun.inf
- C:\sarajay.exe
- D:\autorun.inf
- D:\sarajay.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\sarajay.exe
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin.exe delete shadows /all /quiet