Trojan.Encoder.40604

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)

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical Information

Curing recommendations

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