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Trojan.DownLoader11.7662
Added to the Dr.Web virus database:
2014-05-08
Virus description added:
2014-05-09
Technical Information
Malicious functions:
Creates and executes the following:
'%TEMP%\_av_iup.tm~a02824\instup.exe' /sfx /sfx_type:lite /sfxstorage:"%TEMP%\_av_iup.tm~a02824" /edition:12 /prod:ais
'%HOMEPATH%\Templates\Winup.exe'
'%HOMEPATH%\Templates\avast_premier_antivirus_setup.exe'
Modifies file system :
Creates the following files:
%TEMP%\_av_iup.tm~a02824\servers.def
%TEMP%\_av_iup.tm~a02824\setgui_ais-7e2.vpx
%TEMP%\_av_iup.tm~a02824\prod-vps.vpx
%TEMP%\_av_iup.tm~a02824\part-vps_win32-14041700.vpx
%TEMP%\_av_iup.tm~a02824\prod-ais.vpx
%TEMP%\_av_iup.tm~a02824\HTMLayout.dll
%TEMP%\2FEF7.dmp
%TEMP%\_av_iup.tm~a02824\~tmp_aswInstUpHttpGet.dld
%TEMP%\dw.log
%TEMP%\_av_iup.tm~a02824\instup.exe
%TEMP%\_av_iup.tm~a02824\aswSetupOffers.def.dld
%TEMP%\_av_iup.tm~a02824\part-setup_ais-7e2.vpx
%TEMP%\_av_iup.tm~a02824\avbugreport_ais-7e2.vpx
%TEMP%\_av_iup.tm~a02824\avBugReport.exe
%ALLUSERSPROFILE%\Application Data\AVAST Software\Persistent Data\Avast\Logs\Setup.log
%HOMEPATH%\Templates\avast_premier_antivirus_setup.exe
%HOMEPATH%\Templates\Winup.exe
%TEMP%\_av_iup.tm~a02824\instcont_ais-7e2.vpx
%TEMP%\_av_iup.tm~a02824\part-jrog2-a16.vpx
%TEMP%\_av_iup.tm~a02824\part-prg_ais-7e2.vpx
%TEMP%\_av_iup.tm~a02824\part-iex-1.vpx
%TEMP%\_av_iup.tm~a02824\instup_ais-7e2.vpx
%TEMP%\_av_iup.tm~a02824\Instup.dll
Deletes the following files:
%TEMP%\_av_iup.tm~a02824\prod-ais.vpx
%TEMP%\_av_iup.tm~a02824\~tmp_aswInstUpHttpGet
%TEMP%\_av_iup.tm~a02824\aswSetupOffers.def
%TEMP%\_av_iup.tm~a02824\servers.def.vpx
Moves the following files:
from %TEMP%\_av_iup.tm~a02824\prod-ais.vpx.dld to %TEMP%\_av_iup.tm~a02824\prod-ais.vpx
from %TEMP%\_av_iup.tm~a02824\~tmp_aswInstUpHttpGet.dld to %TEMP%\_av_iup.tm~a02824\~tmp_aswInstUpHttpGet
from %TEMP%\_av_iup.tm~a02824\aswSetupOffers.def.dld to %TEMP%\_av_iup.tm~a02824\aswSetupOffers.def
from %TEMP%\_av_iup.tm~a02824\servers.def.vpx.dld to %TEMP%\_av_iup.tm~a02824\servers.def.vpx
Network activity:
Connects to:
'k7######.iavs9x.u.avast.com':80
'p6######.iavs9x.u.avast.com':80
'x6######.iavs9x.u.avast.com':80
't9######.iavs9x.u.avast.com':80
'g5######.iavs9x.u.avast.com':80
'k5######.iavs9x.u.avast.com':80
'www.go#####analytics.com':80
'g2######.iavs9x.u.avast.com':80
'n9######.iavs9x.u.avast.com':80
'wp#d':80
't6######.iavs9x.u.avast.com':80
'pr####m.avast.com':80
'j1######.iavs9x.u.avast.com':80
'dc###.gulfup.com':80
'd9######.iavs9x.u.avast.com':80
'g4######.iavs9x.u.avast.com':80
'k6######.iavs9x.u.avast.com':80
'j2######.iavs9x.u.avast.com':80
TCP:
HTTP GET requests:
d9######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
g5######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
p6######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
t6######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
k7######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
k5######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
www.go#####analytics.com/__utm.gif?ut#####################################################################################################################################################################
k6######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
g2######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
n9######.iavs9x.u.avast.com/iavs9x/prod-ais.vpx
t9######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
t6######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
dc###.gulfup.com/2aauQ0.txt?gu#######################################################################################
wp#d/wpad.dat
pr####m.avast.com/setupoffers.def
j1######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
g4######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
x6######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
d9######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
k6######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
j2######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
UDP:
DNS ASK k7######.iavs9x.u.avast.com
DNS ASK p6######.iavs9x.u.avast.com
DNS ASK x6######.iavs9x.u.avast.com
DNS ASK t9######.iavs9x.u.avast.com
DNS ASK g5######.iavs9x.u.avast.com
DNS ASK k5######.iavs9x.u.avast.com
DNS ASK www.go#####analytics.com
DNS ASK g2######.iavs9x.u.avast.com
DNS ASK n9######.iavs9x.u.avast.com
DNS ASK wp#d
DNS ASK t6######.iavs9x.u.avast.com
DNS ASK pr####m.avast.com
DNS ASK j1######.iavs9x.u.avast.com
DNS ASK dc###.gulfup.com
DNS ASK j2######.iavs9x.u.avast.com
DNS ASK g4######.iavs9x.u.avast.com
DNS ASK d9######.iavs9x.u.avast.com
DNS ASK k6######.iavs9x.u.avast.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
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