Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <LS_APPDATA>\start\update_backup.exe
- <LS_APPDATA>\start\rcx5.tmp
Infects the following executable files
- <Drive name for removable media>:\utorrent_backup.exe
- <Drive name for removable media>:\chromesetup_backup.exe
- <Drive name for removable media>:\dotnetfx45_full_setup_backup.exe
- <Drive name for removable media>:\wrar520_backup.exe
- <Drive name for removable media>:\skypesetup_backup.exe
Creates the following files on removable media
- <Drive name for removable media>:\bloc-notes.exe
- <Drive name for removable media>:\utorrent_backup.exe
- <Drive name for removable media>:\rcx8.tmp
- <Drive name for removable media>:\chromesetup_backup.exe
- <Drive name for removable media>:\rcxb.tmp
- <Drive name for removable media>:\dotnetfx45_full_setup_backup.exe
- <Drive name for removable media>:\rcxe.tmp
- <Drive name for removable media>:\wrar520_backup.exe
- <Drive name for removable media>:\rcx11.tmp
- <Drive name for removable media>:\skypesetup_backup.exe
- <Drive name for removable media>:\rcx14.tmp
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Modifies file system
Creates the following files
- %TEMP%\rjcvhta.resources
- %TEMP%\y1xnydnn.cmdline
- %TEMP%\y1xnydnn.out
- %TEMP%\vbc9.tmp
- %TEMP%\resa.tmp
- %TEMP%\igksf.resources
- %TEMP%\ftg.resources
- %TEMP%\oytq4vz1.0.vb
- %TEMP%\oytq4vz1.cmdline
- %TEMP%\oytq4vz1.out
- %TEMP%\vbcc.tmp
- %TEMP%\mupooc.resources
- %TEMP%\y1xnydnn.0.vb
- %TEMP%\resd.tmp
- %TEMP%\mdeuebq8.0.vb
- %TEMP%\mdeuebq8.cmdline
- %TEMP%\mdeuebq8.out
- %TEMP%\vbcf.tmp
- %TEMP%\res10.tmp
- %TEMP%\lvlwbuv.resources
- %TEMP%\iamfvvb.resources
- %TEMP%\ubx4imvm.0.vb
- %TEMP%\ubx4imvm.cmdline
- %TEMP%\ubx4imvm.out
- %TEMP%\jpxu.resources
- %TEMP%\ek.resources
- %TEMP%\dbfofe.resources
- %TEMP%\res7.tmp
- %TEMP%\vbc6.tmp
- %TEMP%\svchost.exe
- <LS_APPDATA>\start\update.exe
- %TEMP%\sxq406.resources
- %TEMP%\msnpsharp.dll
- %TEMP%\tj6mntvg.0.vb
- %TEMP%\tj6mntvg.cmdline
- %TEMP%\tj6mntvg.out
- %TEMP%\vbc1.tmp
- %TEMP%\res2.tmp
- %TEMP%\tj6mntvg.exe
- %TEMP%\l.resources
- %TEMP%\update.exe
- %TEMP%\eso.resources
- %TEMP%\pwlrt1wl.0.vb
- %TEMP%\pwlrt1wl.cmdline
- %TEMP%\pwlrt1wl.out
- %TEMP%\vbc3.tmp
- %TEMP%\res4.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\fvwjir.resources
- %TEMP%\w.resources
- %TEMP%\mxaktxy0.0.vb
- %TEMP%\mxaktxy0.cmdline
- %TEMP%\mxaktxy0.out
- %TEMP%\whatdafock.txt
- %TEMP%\vbc12.tmp
- %TEMP%\res13.tmp
Deletes the following files
- %TEMP%\res2.tmp
- <Drive name for removable media>:\chromesetup_backup.exe
- %TEMP%\resd.tmp
- %TEMP%\vbcc.tmp
- %TEMP%\oytq4vz1.0.vb
- %TEMP%\oytq4vz1.out
- %TEMP%\oytq4vz1.cmdline
- %TEMP%\igksf.resources
- %TEMP%\ftg.resources
- <Drive name for removable media>:\dotnetfx45_full_setup_backup.exe
- %TEMP%\res10.tmp
- %TEMP%\dbfofe.resources
- %TEMP%\mupooc.resources
- %TEMP%\vbcf.tmp
- %TEMP%\mdeuebq8.cmdline
- %TEMP%\jpxu.resources
- %TEMP%\ek.resources
- <Drive name for removable media>:\wrar520_backup.exe
- %TEMP%\res13.tmp
- %TEMP%\vbc12.tmp
- %TEMP%\ubx4imvm.out
- %TEMP%\ubx4imvm.cmdline
- %TEMP%\ubx4imvm.0.vb
- %TEMP%\lvlwbuv.resources
- %TEMP%\mdeuebq8.0.vb
- %TEMP%\mdeuebq8.out
- %TEMP%\y1xnydnn.0.vb
- %TEMP%\y1xnydnn.out
- %TEMP%\y1xnydnn.cmdline
- %TEMP%\tj6mntvg.0.vb
- %TEMP%\tj6mntvg.cmdline
- %TEMP%\tj6mntvg.exe
- %TEMP%\tj6mntvg.out
- %TEMP%\res4.tmp
- %TEMP%\vbc3.tmp
- %TEMP%\pwlrt1wl.cmdline
- %TEMP%\pwlrt1wl.out
- %TEMP%\pwlrt1wl.0.vb
- %TEMP%\l.resources
- %TEMP%\eso.resources
- %TEMP%\vbc1.tmp
- <LS_APPDATA>\start\update_backup.exe
- <LS_APPDATA>\start\update.exe
- %TEMP%\res7.tmp
- %TEMP%\vbc6.tmp
- %TEMP%\mxaktxy0.cmdline
- %TEMP%\mxaktxy0.0.vb
- %TEMP%\mxaktxy0.out
- %TEMP%\fvwjir.resources
- %TEMP%\w.resources
- <Drive name for removable media>:\utorrent_backup.exe
- %TEMP%\resa.tmp
- %TEMP%\vbc9.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\iamfvvb.resources
- <Drive name for removable media>:\skypesetup_backup.exe
Substitutes the following executable files
- <Drive name for removable media>:\utorrent.exe
- <Drive name for removable media>:\chromesetup.exe
- <Drive name for removable media>:\dotnetfx45_full_setup.exe
- <Drive name for removable media>:\wrar520.exe
- <Drive name for removable media>:\skypesetup.exe
Substitutes the following files
- %TEMP%\windowsupdate.ico
- <Drive name for removable media>:\utorrent_backup.exe
- <Drive name for removable media>:\chromesetup_backup.exe
- <Drive name for removable media>:\dotnetfx45_full_setup_backup.exe
- <Drive name for removable media>:\wrar520_backup.exe
- <Drive name for removable media>:\skypesetup_backup.exe
Network activity
Connects to
- '17#.#3.169.14':80
Miscellaneous
Creates and executes the following
- '%TEMP%\update.exe'
- '%TEMP%\svchost.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\tj6mntvg.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\pwlrt1wl.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4.tmp" "%TEMP%\vbc3.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\mxaktxy0.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES7.tmp" "%TEMP%\vbc6.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\y1xnydnn.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\oytq4vz1.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\mdeuebq8.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES10.tmp" "%TEMP%\vbcF.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\ubx4imvm.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES13.tmp" "%TEMP%\vbc12.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\tj6mntvg.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\pwlrt1wl.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4.tmp" "%TEMP%\vbc3.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\mxaktxy0.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES7.tmp" "%TEMP%\vbc6.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\y1xnydnn.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\oytq4vz1.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\mdeuebq8.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES10.tmp" "%TEMP%\vbcF.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\ubx4imvm.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES13.tmp" "%TEMP%\vbc12.tmp"
