Win32.HLLW.Autoruner1.24398

Added to the Dr.Web virus database: 2012-08-05

Virus description added: 2012-08-26

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bdv' = 'C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\BDV\bdv.exe'

Creates the following files on removable media:

Malicious functions:

Executes the following:

<SYSTEM32>\attrib.exe +s +h +r +a e:\Received\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\Videoc~1\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\Sounds\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\Mp3\*.*
<SYSTEM32>\xcopy.exe C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\BDV\*.* e:\ /h /k /c /e /y
<SYSTEM32>\attrib.exe +s +h +r +a C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\BDV\Welcom~1
<SYSTEM32>\attrib.exe +s +h +r +a e:\Audio\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\Photos\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\Music\*.*
<SYSTEM32>\wscript.exe "C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\bdv.vbs"
<SYSTEM32>\attrib.exe +s +h +r +a C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\BDV\*.*
<SYSTEM32>\cmd.exe /c ""%TEMP%\1.tmp\BDv.bat" "
<SYSTEM32>\xcopy.exe BDV.exe C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\BDV\ /h /k /y
<SYSTEM32>\attrib.exe +s +h +r +a e:\Video\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\Videos\*.*
<SYSTEM32>\attrib.exe +s +h +r +a e:\MyMusi~1
<SYSTEM32>\attrib.exe +s +h +r +a e:\MyMusi~1\*.*

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files: