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Trojan.DownLoader11.4353
Added to the Dr.Web virus database:
2014-04-29
Virus description added:
2014-04-29
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'XinKuaiQs' = '"%PROGRAM_FILES%\РВїмЖЯЙ±\РВїмЖЯЙ±\qs.exe" AUTORUN'
Malicious functions:
Creates and executes the following:
'%PROGRAM_FILES%\PlayerMovie\zjzb_31.exe'
Executes the following:
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\s1.bat" "
'<SYSTEM32>\DllHost.exe' /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
Modifies file system :
Creates the following files:
%PROGRAM_FILES%\РВїмЖЯЙ±\qs.exe
%APPDATA%\Roaming\Microsoft\Internet Explorer\Quick Launch\РВїмЖЯЙ±.lnk
%HOMEPATH%\Desktop\РВїмЖЯЙ±.lnk
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Bg_Main.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Close.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Chongzhi_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Bg_Play.png
%APPDATA%\Roaming\Mozilla\Firefox\Profiles\zp7tnb55.default\downloads.sqlite-journal
%TEMP%\js.log
<LS_APPDATA>\Mozilla\Firefox\Profiles\zp7tnb55.default\urlclassifier3.sqlite-journal
%APPDATA%\Roaming\Mozilla\Firefox\Profiles\zp7tnb55.default\downloads.sqlite
%APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\РВїмЖЯЙ±\Жф¶Ї РВїмЖЯЙ±.lnk
%PROGRAM_FILES%\РВїмЖЯЙ±\install.log
%TEMP%\nsy426E.tmp\ExecCmd.dll
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Close_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\uninst.exe
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\config.ini
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Tray_Small.png
%APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\РВїмЖЯЙ±\Р¶ФШ РВїмЖЯЙ±.lnk
%APPDATA%\Roaming\Microsoft\Windows\Recent\CustomDestinations\ASZLQ2ORXDH2A3DGUT8S.temp
%TEMP%\nsp3F90.tmp\System.dll
%APPDATA%\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\РВїмЖЯЙ±.lnk
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_LunTan_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Kefu_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_GuanWang_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Min.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Setting_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Restore_Small.png
%PROGRAM_FILES%\РВїмЖЯЙ±\skin\Btns_Min_Small.png
%TEMP%\nsz81AE.tmp\ShellLink.dll
%TEMP%\nsy426E.tmp\Base64.dll
%TEMP%\nso4144.tmp
%TEMP%\nsiF9CA.tmp\System.dll
%TEMP%\nsy426E.tmp\inetc.dll
%TEMP%\nsd4C3F.tmp
%TEMP%\nso45C9.tmp
<LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\YF7T7AK2\iplookup[1].php
%TEMP%\nsiF9CA.tmp\inetc.dll
%TEMP%\nsiF9CA.tmp\Base64.dll
%TEMP%\nsyF8B1.tmp
<LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\6P5SDOMI\iplookup[1].php
%TEMP%\nsd3739.tmp
%TEMP%\nso2E05.tmp
%TEMP%\i.rar
%TEMP%\nsy426E.tmp\System.dll
%APPDATA%\Roaming\Mozilla\Firefox\Profiles\zp7tnb55.default\prefs-1.js
%TEMP%\s1.bat
%TEMP%\nsy426E.tmp\NsProcess.dll
%APPDATA%\Roaming\Mozilla\Firefox\Profiles\zp7tnb55.default\sessionstore.bak
%TEMP%\eykcfoNl.css.part
%TEMP%\nsz81AE.tmp\System.dll
%APPDATA%\Roaming\Mozilla\Firefox\Profiles\zp7tnb55.default\places.sqlite-wal
%PROGRAM_FILES%\PlayerMovie\zjzb_31.exe
%PROGRAM_FILES%\PlayerMovie\Intrenet Explorer.ico
%PROGRAM_FILES%\PlayerMovie\360°ІИ«дЇААЖч9.ico
%HOMEPATH%\Desktop\360°ІИ«дЇААЖч9.lnk
%PROGRAM_FILES%\PlayerMovie\uninst.exe
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\PlayerMovie\Uninstall.lnk
%HOMEPATH%\Desktop\Intrenet Explorer.lnk
Deletes the following files:
%TEMP%\nsy426E.tmp\ExecCmd.dll
%TEMP%\nsy426E.tmp\Base64.dll
%APPDATA%\Roaming\Mozilla\Firefox\Profiles\zp7tnb55.default\downloads.sqlite-journal
%TEMP%\nsy426E.tmp\inetc.dll
%TEMP%\nsp3F90.tmp\System.dll
%TEMP%\nsy426E.tmp\System.dll
%TEMP%\nsy426E.tmp\NsProcess.dll
%TEMP%\nsz81AE.tmp\System.dll
<LS_APPDATA>\Microsoft\Windows\Temporary Internet Files\Content.IE5\6P5SDOMI\iplookup[1].php
%TEMP%\nsd3739.tmp
%TEMP%\nso2E05.tmp
%TEMP%\nso45C9.tmp
%TEMP%\nsz81AE.tmp\ShellLink.dll
<LS_APPDATA>\Mozilla\Firefox\Profiles\zp7tnb55.default\urlclassifier3.sqlite-journal
%TEMP%\nsd4C3F.tmp
Moves the following files:
from %APPDATA%\Roaming\Microsoft\Windows\Recent\CustomDestinations\ASZLQ2ORXDH2A3DGUT8S.temp to %APPDATA%\Roaming\Microsoft\Windows\Recent\CustomDestinations\661ab0ff87cd11.customDestinations-ms
Network activity:
Connects to:
'localhost':49164
'k.####shengo.net':80
'fx####s.mozilla.com':80
'do##.#iyumivip.com':21
'in#.###ol.sina.com.cn':80
'do##.#ifeivisa.com':21
'localhost':49161
TCP:
HTTP GET requests:
fx####s.mozilla.com/en-US/firefox/headlines.xml
k.####shengo.net/<Auxiliary name>.exe/css1.css
in#.###ol.sina.com.cn/iplookup/iplookup.php
UDP:
DNS ASK do##.#iyumivip.com
DNS ASK k.####shengo.net
DNS ASK fx####s.mozilla.com
DNS ASK in#.###ol.sina.com.cn
DNS ASK do##.#ifeivisa.com
DNS ASK dn#.##ftncsi.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'FirefoxMessageWindow' WindowName: '(null)'
ClassName: 'CicLoaderWndClass' 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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