Win32.HLLW.Autoruner1.34688
Added to the Dr.Web virus database:
2014-02-22
Virus description added:
2014-02-23
Technical Information
Malicious functions:
Creates and executes the following:
- '%TEMP%\nsu4.tmp\ymsgr_suite_setup.exe' /yfn=msgr11us.exe /ybsini=%TEMP%\nsu4.tmp\BOOTST~1.INI
- '%TEMP%\msgr11us.exe'
- '%TEMP%\Nuyodebibow.exe' <Full path to virus>
Searches for registry branches where third party applications store passwords:
- [<HKCU>\Software\Yahoo\pager]
Modifies file system :
Creates the following files:
- %TEMP%\msgr11us.exe
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-2052111302-484763869-725345543-1003\ec702f375e1b12d218f67ab9ef19ca23_23ef5514-3059-436f-a4a7-4cefaab20eb1
- %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\Preferred
- %TEMP%\nsd6.tmp\System.dll
- %TEMP%\nsd6.tmp\ymsgr11_us.ini
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ymsgr11_us[1].ini
- %TEMP%\nsd6.tmp\InetLoad_vms.dll
- %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\6571facc-666d-47a3-a783-15da75685f40
- %TEMP%\Zavovovetoca.dll
- %TEMP%\yacadozolaxi.dll
- %TEMP%\mohepibuja.Nax
- %TEMP%\tazepapomosi.dll
- %TEMP%\Nuyodebibow.exe
- %TEMP%\yezaxihala.dll
Deletes the following files:
- %TEMP%\Zavovovetoca.dll
- %TEMP%\yezaxihala.dll
- %TEMP%\mohepibuja.Nax
- %TEMP%\Nuyodebibow.exe
- %TEMP%\tazepapomosi.dll
- %TEMP%\yacadozolaxi.dll
Network activity:
Connects to:
TCP:
HTTP GET requests:
- 67.##5.160.76/ycontent/stats.php?ve###############################################################################################
- 67.##5.160.76/msgr/11/ini/ymsgr11_us.ini
UDP:
- DNS ASK in#####.msg.yahoo.com
- DNS ASK rd.####ware.yahoo.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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