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Trojan.Encoder.40604

Aggiunto al database dei virus Dr.Web: 2024-07-21

La descrizione è stata aggiunta:

Technical Information

Malicious functions
Reads files which store third party applications passwords
  • %HOMEPATH%\desktop\000814251_video_01.avi
  • %HOMEPATH%\desktop\weeklysheet1215.doc
  • %HOMEPATH%\desktop\tileimage.bmp
  • %HOMEPATH%\desktop\testee.cer
  • %HOMEPATH%\desktop\split.avi
  • %HOMEPATH%\desktop\ovp25012015.doc
  • %HOMEPATH%\desktop\join.avi
  • %HOMEPATH%\desktop\hanni_umami_chapter.doc
  • %HOMEPATH%\desktop\ituneshelpunavailable.html
  • %HOMEPATH%\desktop\trivial-merge.htm
  • %HOMEPATH%\desktop\iisstart.htm
  • %HOMEPATH%\desktop\dialmap.bmp
  • %HOMEPATH%\desktop\dashborder_192.bmp
  • %HOMEPATH%\desktop\dial.bmp
  • %HOMEPATH%\desktop\correct.avi
  • %HOMEPATH%\desktop\dashborder_120.bmp
  • %HOMEPATH%\desktop\browse.html
  • %HOMEPATH%\desktop\api-hashmap.html
  • %HOMEPATH%\desktop\advice_process.htm
  • %HOMEPATH%\desktop\hadac_newsletter_july_2010_final.docx
  • %HOMEPATH%\desktop\uep_form_786_bulletin_1726i602.doc
Modifies file system
Creates the following files
  • %HOMEPATH%\documents\readme.txt
  • C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\accessmuiset.msi.obf
  • C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\powerpointmui.msi.obf
  • C:\msocache\all users\{90140000-0043-0409-1000-0000000ff1ce}-c\owow32lr.cab.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\officelr.cab.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\microsoft.vc90.crt.manifest.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\pss10r.chm.obf
  • C:\msocache\all users\{90140000-00ba-0409-1000-0000000ff1ce}-c\groovelr.cab.obf
  • %ProgramFiles%\windows defender\readme.txt
  • %ProgramFiles%\windows journal\en-us\readme.txt
  • %ProgramFiles%\windows journal\readme.txt
  • %ProgramFiles%\windows journal\templates\readme.txt
  • %ProgramFiles%\windows mail\en-us\readme.txt
  • %ProgramFiles%\windows mail\readme.txt
  • %ProgramFiles%\windows media player\en-us\readme.txt
  • C:\msocache\all users\{90140000-00ba-0409-1000-0000000ff1ce}-c\groovemui.msi.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\osetup.dll.obf
  • %ProgramFiles%\windows media player\media renderer\readme.txt
  • %ProgramFiles%\windows media player\readme.txt
  • %ProgramFiles%\windows media player\network sharing\readme.txt
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\ose.exe.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\proplusww.msi.obf
  • C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\pptlr.cab.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\setup.exe.obf
  • %ProgramFiles%\windows defender\en-us\readme.txt
  • %CommonProgramFiles%\designer\msaddndr.dll.obf
  • %HOMEPATH%\links\recentplaces.lnk.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\office32ww.msi.obf
  • %HOMEPATH%\favorites\windows live\get windows live.url.obf
  • %HOMEPATH%\favorites\windows live\windows live spaces.url.obf
  • %HOMEPATH%\favorites\windows live\windows live gallery.url.obf
  • C:\msocache\all users\{90140000-0043-0409-1000-0000000ff1ce}-c\office32mui.msi.obf
  • C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\outlookmui.msi.obf
  • C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\outlklr.cab.obf
  • C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\excelmui.msi.obf
  • C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\excellr.cab.obf
  • C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\wordmui.msi.obf
  • <Full path to file>.obf
  • C:\msocache\all users\{90140000-00a1-0409-1000-0000000ff1ce}-c\onotelr.cab.obf
  • C:\msocache\all users\{90140000-002c-0409-1000-0000000ff1ce}-c\proofing.msi.obf
  • C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\inflr.cab.obf
  • C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\infopathmui.msi.obf
  • C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\publishermui.msi.obf
  • C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\publr.cab.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\setup.chm.obf
  • %CommonProgramFiles%\system\directdb.dll.obf
  • C:\msocache\all users\{90140000-00a1-0409-1000-0000000ff1ce}-c\onenotemui.msi.obf
  • C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\wordlr.cab.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\pkeyconfig-office.xrm-ms.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\dwtrig20.exe.obf
  • %ProgramFiles%\windows media player\skins\readme.txt
  • %CommonProgramFiles%\system\wab32res.dll.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\dw20.exe.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\owow32ww.cab.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\propsww.cab.obf
  • %ProgramFiles(x86)%\microsoft.net\primary interop assemblies\readme.txt
  • %ProgramFiles(x86)%\microsoft.net\redistlist\readme.txt
  • %ProgramFiles(x86)%\msbuild\readme.txt
  • %ProgramFiles(x86)%\opera\29.0.1795.47\readme.txt
  • %ProgramFiles(x86)%\opera\assets\readme.txt
  • %ProgramFiles(x86)%\windows media player\readme.txt
  • %ProgramFiles(x86)%\opera\readme.txt
  • %ProgramFiles(x86)%\steam\bin\readme.txt
  • %ProgramFiles(x86)%\steam\logs\readme.txt
  • %ProgramFiles(x86)%\steam\public\readme.txt
  • %ProgramFiles(x86)%\windows defender\en-us\readme.txt
  • %ProgramFiles(x86)%\windows defender\readme.txt
  • %ProgramFiles(x86)%\windows mail\en-us\readme.txt
  • %ProgramFiles(x86)%\windows mail\readme.txt
  • %ProgramFiles(x86)%\windows media player\en-us\readme.txt
  • %ProgramFiles(x86)%\windows media player\media renderer\readme.txt
  • %ProgramFiles%\dvd maker\audiodepthconverter.ax.obf
  • %CommonProgramFiles%\system\wab32.dll.obf
  • %ProgramFiles(x86)%\microsoft office\office14\readme.txt
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\pidgenx.dll.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\dwdcw20.dll.obf
  • %ProgramFiles%\windows nt\tabletextservice\readme.txt
  • %ProgramFiles%\windows photo viewer\en-us\readme.txt
  • %ProgramFiles%\windows photo viewer\readme.txt
  • %ProgramFiles%\windows portable devices\readme.txt
  • %ProgramFiles%\desktop.ini.obf
  • %ProgramFiles%\windows sidebar\en-us\readme.txt
  • %ProgramFiles%\windows sidebar\readme.txt
  • %ProgramFiles(x86)%\adobe\acrobat reader dc\readme.txt
  • %CommonProgramFiles(x86)%\services\readme.txt
  • %ProgramFiles%\mozilla thunderbird\visualelements\readme.txt
  • %CommonProgramFiles(x86)%\system\readme.txt
  • %CommonProgramFiles(x86)%\steam\readme.txt
  • %ProgramFiles(x86)%\internet explorer\en-us\readme.txt
  • %ProgramFiles(x86)%\internet explorer\readme.txt
  • %ProgramFiles(x86)%\internet explorer\signup\readme.txt
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\officemuiset.msi.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\officemui.msi.obf
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\propsww2.cab.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\osetupui.dll.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\shellui.mst.obf
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\msvcr90.dll.obf
  • %ProgramFiles%\windows nt\accessories\readme.txt
  • %ProgramFiles(x86)%\readme.txt
  • %ProgramFiles(x86)%\steam\readme.txt
  • %HOMEPATH%\links\desktop.lnk.obf
  • %HOMEPATH%\favorites\msn websites\msn money.url.obf
  • %HOMEPATH%\favorites\windows live\readme.txt
  • %HOMEPATH%\links\readme.txt
  • %HOMEPATH%\saved games\readme.txt
  • C:\$recycle.bin\s-1-5-21-3150914307-1777937420-491476919-1000\readme.txt
  • C:\kms\readme.txt
  • C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-0016-0409-1000-0000000ff1ce}-c\readme.txt
  • %HOMEPATH%\desktop\telegram.lnk.obf
  • %HOMEPATH%\pictures\desktop.ini.obf
  • C:\msocache\all users\{90140000-0018-0409-1000-0000000ff1ce}-c\readme.txt
  • %HOMEPATH%\downloads\desktop.ini.obf
  • %HOMEPATH%\music\desktop.ini.obf
  • %HOMEPATH%\videos\desktop.ini.obf
  • %HOMEPATH%\contacts\desktop.ini.obf
  • %HOMEPATH%\favorites\desktop.ini.obf
  • C:\msocache\all users\{90140000-0019-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-001a-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-001b-0409-1000-0000000ff1ce}-c\readme.txt
  • %HOMEPATH%\favorites\microsoft websites\ie add-on site.url.obf
  • %HOMEPATH%\favorites\links for united states\usa.gov.url.obf
  • %HOMEPATH%\favorites\links for united states\desktop.ini.obf
  • %HOMEPATH%\favorites\msn websites\readme.txt
  • %HOMEPATH%\favorites\links for united states\gobiernousa.gov.url.obf
  • %HOMEPATH%\favorites\microsoft websites\readme.txt
  • %HOMEPATH%\desktop\dotnetfx45_full_setup.exe.obf
  • %HOMEPATH%\desktop\readme.txt
  • %HOMEPATH%\desktop\000814251_video_01.avi.obf
  • %HOMEPATH%\documents\desktop.ini.obf
  • %HOMEPATH%\desktop\api-hashmap.html.obf
  • %HOMEPATH%\desktop\advice_process.htm.obf
  • %HOMEPATH%\desktop\browse.html.obf
  • %HOMEPATH%\desktop\calc.exe.obf
  • %HOMEPATH%\pictures\readme.txt
  • %HOMEPATH%\downloads\readme.txt
  • %HOMEPATH%\music\readme.txt
  • %HOMEPATH%\videos\readme.txt
  • %HOMEPATH%\contacts\readme.txt
  • %HOMEPATH%\favorites\readme.txt
  • %HOMEPATH%\favorites\links\readme.txt
  • %HOMEPATH%\desktop\dashborder_120.bmp.obf
  • %HOMEPATH%\desktop\correct.avi.obf
  • %HOMEPATH%\desktop\desktop.ini.obf
  • %HOMEPATH%\desktop\dial.bmp.obf
  • %HOMEPATH%\desktop\dashborder_192.bmp.obf
  • %HOMEPATH%\desktop\dialmap.bmp.obf
  • %HOMEPATH%\favorites\links for united states\readme.txt
  • %HOMEPATH%\desktop\google chrome.lnk.obf
  • %HOMEPATH%\favorites\links\web slice gallery.url.obf
  • %HOMEPATH%\contacts\user.contact.obf
  • C:\msocache\all users\{90140000-002c-0409-1000-0000000ff1ce}-c\readme.txt
  • %ProgramFiles%\mozilla firefox\fonts\readme.txt
  • %HOMEPATH%\favorites\microsoft websites\microsoft at work.url.obf
  • %HOMEPATH%\favorites\microsoft websites\microsoft store.url.obf
  • %HOMEPATH%\favorites\msn websites\msn autos.url.obf
  • %HOMEPATH%\favorites\msn websites\msn entertainment.url.obf
  • %ProgramFiles%\mozilla firefox\uninstall\readme.txt
  • %ProgramFiles%\mozilla thunderbird\readme.txt
  • %ProgramFiles%\mozilla thunderbird\features\readme.txt
  • %ProgramFiles%\mozilla thunderbird\fonts\readme.txt
  • %HOMEPATH%\favorites\msn websites\msnbc news.url.obf
  • %ProgramFiles%\mozilla thunderbird\isp\readme.txt
  • %HOMEPATH%\links\desktop.ini.obf
  • %ProgramFiles%\mozilla thunderbird\uninstall\readme.txt
  • %HOMEPATH%\saved games\desktop.ini.obf
  • C:\$recycle.bin\s-1-5-21-3150914307-1777937420-491476919-1000\desktop.ini.obf
  • C:\kms\kms_vl_all_aio.cmd.obf
  • C:\kms\kms_vl_all_aio_debug.log.obf
  • %HOMEPATH%\favorites\windows live\windows live mail.url.obf
  • %HOMEPATH%\favorites\msn websites\msn.url.obf
  • %HOMEPATH%\favorites\msn websites\msn sports.url.obf
  • %ProgramFiles%\mozilla firefox\browser\readme.txt
  • %ProgramFiles%\mozilla firefox\distibution\readme.txt
  • %ProgramFiles%\mozilla firefox\readme.txt
  • %ProgramFiles%\microsoft sql server compact edition\v3.5\readme.txt
  • %ProgramFiles%\microsoft office\office14\readme.txt
  • C:\msocache\all users\{90140000-0044-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-00a1-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-00ba-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-0115-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\readme.txt
  • C:\readme.txt
  • <Current directory>\readme.txt
  • %CommonProgramFiles%\designer\readme.txt
  • %CommonProgramFiles%\services\readme.txt
  • %HOMEPATH%\links\downloads.lnk.obf
  • %ProgramFiles%\readme.txt
  • %CommonProgramFiles%\system\readme.txt
  • %HOMEPATH%\favorites\links\desktop.ini.obf
  • %HOMEPATH%\favorites\microsoft websites\ie site on microsoft.com.url.obf
  • %HOMEPATH%\favorites\microsoft websites\microsoft at home.url.obf
  • %ProgramFiles%\dvd maker\en-us\readme.txt
  • %ProgramFiles%\dvd maker\shared\readme.txt
  • %ProgramFiles%\internet explorer\en-us\readme.txt
  • %ProgramFiles%\internet explorer\readme.txt
  • %ProgramFiles%\internet explorer\signup\readme.txt
  • %ProgramFiles%\microsoft office\document themes 14\readme.txt
  • C:\msocache\all users\{90140000-0043-0409-1000-0000000ff1ce}-c\readme.txt
  • %ProgramFiles%\dvd maker\readme.txt
  • %ProgramFiles(x86)%\windows media player\skins\readme.txt
Deletes itself.
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Restarts the analyzed sample
Executes the following
  • '<Full path to file>' --execute' (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.
Download Dr.Web

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.

Download Dr.Web

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