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Trojan.MulDrop5.15149
Added to the Dr.Web virus database:
2014-04-21
Virus description added:
2014-07-13
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\WindowsSearch.txt
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\drv.txt
Malicious functions:
Creates and executes the following:
'%TEMP%\set.exe' CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command /registry /grant Everyone /read
'%TEMP%\set.exe' CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command /registry /deny Everyone /full
'%TEMP%\set.exe' CLASSES_ROOT\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command /registry /grant Everyone /full
Executes the following:
'<SYSTEM32>\ping.exe' 127.0.0.1 -n 3
'%WINDIR%\regedit.exe' /s %TEMP%\check.reg
Modifies file system :
Creates the following files:
%HOMEPATH%\Favorites\【凡客诚品】.url
%HOMEPATH%\Favorites\【卓越特价商城】.url
%TEMP%\aut18.tmp
%PROGRAM_FILES%\TheWorld3\2\系统下载.url
%HOMEPATH%\Favorites\【台湾美食】.url
%HOMEPATH%\Favorites\【淘宝风云榜】.url
%HOMEPATH%\Favorites\【疯狂购物】.url
%HOMEPATH%\Favorites\【当当商城】.url
%HOMEPATH%\Favorites\【淘宝特卖】.url
%PROGRAM_FILES%\TheWorld3\2\淘宝网.url
%TEMP%\aut15.tmp
%PROGRAM_FILES%\TheWorld3\2\家电商城.url
%TEMP%\aut14.tmp
%PROGRAM_FILES%\TheWorld3\2\游戏下载.url
%TEMP%\aut17.tmp
%PROGRAM_FILES%\TheWorld3\2\百度.url
%TEMP%\aut16.tmp
%PROGRAM_FILES%\TheWorld3\2\电视直播.url
C:\世界之窗浏览器.lnk
%ALLUSERSPROFILE%\Desktop\世界之窗浏览器.txt
%HOMEPATH%\Favorites\百度.url
%HOMEPATH%\Favorites\系统下载.url
%ALLUSERSPROFILE%\Start Menu\世界之窗浏览器.txt
%PROGRAM_FILES%\Windows Desktop Search\WindowsSearch.exe
%WINDIR%Search.lnk
%ALLUSERSPROFILE%\Start Menu\Programs\世界之窗浏览器.txt
%APPDATA%\Microsoft\Internet Explorer\Quick Launch\世界之窗浏览器.txt
%HOMEPATH%\Favorites\在线网游.url
%HOMEPATH%\Favorites\实用查询.url
%HOMEPATH%\Favorites\【网址导航】.url
%HOMEPATH%\Favorites\【美容秘籍】.url
%HOMEPATH%\Favorites\家居玩具.url
%HOMEPATH%\Favorites\游戏下载.url
%HOMEPATH%\Favorites\电视直播.url
%HOMEPATH%\Favorites\家电商城.url
%HOMEPATH%\Favorites\淘宝网.url
%TEMP%\aut7.tmp
%PROGRAM_FILES%\TheWorld3\2\【凡客诚品】.url
%TEMP%\aut6.tmp
%PROGRAM_FILES%\TheWorld3\2\favorder3.dat
%TEMP%\aut8.tmp
%PROGRAM_FILES%\TheWorld3\2\【台湾美食】.url
%TEMP%\autA.tmp
%PROGRAM_FILES%\TheWorld3\2\【卓越特价商城】.url
%TEMP%\aut9.tmp
%TEMP%\set.exe
%TEMP%\aut3.tmp
%TEMP%\aut1.tmp
%TEMP%\aut2.tmp
%TEMP%\check.txt
%TEMP%\aut5.tmp
%PROGRAM_FILES%\TheWorld3\世界之窗.ini
%TEMP%\aut4.tmp
%PROGRAM_FILES%\TheWorld3\世界之窗.exe
%TEMP%\aut10.tmp
%PROGRAM_FILES%\TheWorld3\2\在线网游.url
%TEMP%\autF.tmp
%PROGRAM_FILES%\TheWorld3\2\【美容秘籍】.url
%TEMP%\aut11.tmp
%PROGRAM_FILES%\TheWorld3\2\家居玩具.url
%TEMP%\aut13.tmp
%PROGRAM_FILES%\TheWorld3\2\实用查询.url
%TEMP%\aut12.tmp
%PROGRAM_FILES%\TheWorld3\2\【淘宝特卖】.url
%TEMP%\autC.tmp
%PROGRAM_FILES%\TheWorld3\2\【当当商城】.url
%TEMP%\autB.tmp
%PROGRAM_FILES%\TheWorld3\2\【淘宝风云榜】.url
%TEMP%\autE.tmp
%PROGRAM_FILES%\TheWorld3\2\【网址导航】.url
%TEMP%\autD.tmp
%PROGRAM_FILES%\TheWorld3\2\【疯狂购物】.url
Sets the 'hidden' attribute to the following files:
%PROGRAM_FILES%\TheWorld3\世界之窗.ini
Deletes the following files:
%TEMP%\aut10.tmp
%TEMP%\aut11.tmp
%TEMP%\aut12.tmp
%TEMP%\autD.tmp
%TEMP%\autE.tmp
%TEMP%\autF.tmp
%TEMP%\aut16.tmp
%TEMP%\aut17.tmp
%TEMP%\aut18.tmp
%TEMP%\aut13.tmp
%TEMP%\aut14.tmp
%TEMP%\aut15.tmp
%TEMP%\aut4.tmp
%TEMP%\aut5.tmp
%TEMP%\aut6.tmp
%TEMP%\aut1.tmp
%TEMP%\aut2.tmp
%TEMP%\aut3.tmp
%TEMP%\autA.tmp
%TEMP%\autB.tmp
%TEMP%\autC.tmp
%TEMP%\aut7.tmp
%TEMP%\aut8.tmp
%TEMP%\aut9.tmp
Moves the following files:
from %ALLUSERSPROFILE%\Start Menu\Programs\世界之窗浏览器.txt to %ALLUSERSPROFILE%\Start Menu\Programs\世界之窗浏览器.lnk
from %APPDATA%\Microsoft\Internet Explorer\Quick Launch\世界之窗浏览器.txt to %APPDATA%\Microsoft\Internet Explorer\Quick Launch\世界之窗浏览器.lnk
from %ALLUSERSPROFILE%\Start Menu\世界之窗浏览器.txt to %ALLUSERSPROFILE%\Start Menu\世界之窗浏览器.lnk
from %TEMP%\check.txt to %TEMP%\check.reg
from %ALLUSERSPROFILE%\Desktop\世界之窗浏览器.txt to %ALLUSERSPROFILE%\Desktop\绿色浏览器.lnk
Deletes itself.
Miscellaneous:
Searches for the following windows:
ClassName: 'RegEdit_RegEdit' 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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