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有关反病毒软件的误区

Trojan.Encoder.43044

Added to the Dr.Web virus database: 2025-09-03

Virus description added: 2025-09-05

Technical Information

To ensure autorun and distribution

Creates the following files on removable media

<Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\lisp_success.doc
<Drive name for removable media>:\fi51.doc
<Drive name for removable media>:\cveuropeo.doc
<Drive name for removable media>:\glidescope_review_rev_010.docx
<Drive name for removable media>:\sdszfo.docx
<Drive name for removable media>:\issi2013_template_for_posters.docx
<Drive name for removable media>:\holycrosschurchinstructions.docx
<Drive name for removable media>:\adhd_and_obesity.docx
<Drive name for removable media>:\ff_ot_user_guide.pdf
<Drive name for removable media>:\dualectls.pdf
<Drive name for removable media>:\7790_preview.pdf
<Drive name for removable media>:\irgeek.pem
<Drive name for removable media>:\ck_ugo.pem
<Drive name for removable media>:\tunpersonalca1.pem
<Drive name for removable media>:\ck.pem
<Drive name for removable media>:\systisoft.pem
<Drive name for removable media>:\investmentbankca_ca8.pem
<Drive name for removable media>:\cert.pem
<Drive name for removable media>:\readme.html

Malicious functions

Injects code into

the following system processes:

<SYSTEM32>\sihost.exe
<SYSTEM32>\svchost.exe
<SYSTEM32>\taskhostw.exe
%WINDIR%\explorer.exe
%WINDIR%\systemapps\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\startmenuexperiencehost.exe
<SYSTEM32>\runtimebroker.exe
%WINDIR%\systemapps\microsoft.windows.search_cw5n1h2txyewy\searchapp.exe
<SYSTEM32>\dllhost.exe
<SYSTEM32>\securityhealthsystray.exe
<SYSTEM32>\oobe\useroobebroker.exe
%WINDIR%\systemapps\shellexperiencehost_cw5n1h2txyewy\shellexperiencehost.exe

the following user processes:

iexplore.exe
firefox.exe

Terminates or attempts to terminate

the following system processes:

<SYSTEM32>\fodhelper.exe

Reads files which store third party applications passwords

%HOMEPATH%\desktop\cveuropeo.doc
%HOMEPATH%\desktop\file_p_00000000_1371597592.docx
%HOMEPATH%\desktop\hanni_umami_chapter.doc
%HOMEPATH%\desktop\holycrosschurchinstructions.docx
%HOMEPATH%\desktop\issi2013_template_for_posters.docx
%HOMEPATH%\desktop\lisp_success.doc
%HOMEPATH%\desktop\sdszfo.docx
%HOMEPATH%\desktop\default.bmp
%HOMEPATH%\desktop\delete.avi
%HOMEPATH%\desktop\dial.bmp
%HOMEPATH%\desktop\dialmap.bmp
%HOMEPATH%\desktop\join.avi
%HOMEPATH%\desktop\split.avi

Modifies file system

Creates the following files

C:\users\public\arcgth.fla
C:\users\public\ytlwvivuikft.fla
C:\users\public\uzeqmgnrev.fla
C:\users\public\eityxuv.fla
C:\users\public\bfpficm.fla
%HOMEPATH%\desktop\readme.html
C:\users\public\gchvxhcicmjh.fla
C:\users\public\zgzewfixm.fla
C:\users\public\bdjmcu.fla
C:\users\public\gpohbvc.fla
C:\users\public\btzvotaowo.fla
C:\users\public\fhhlfqv.fla
C:\users\public\kordzfwdyi.fla
C:\users\public\tlsejxcdp.fla
C:\users\public\zeykge.fla
C:\users\public\naugrbtk.fla
C:\users\public\awshwpwhdeqi.fla
C:\users\public\vhfzmvjgkzn.fla
C:\users\public\fzslwhhciuxb.fla
C:\users\public\vitzhpjtwar.fla
C:\users\public\enwdbaog.fla
C:\users\public\hazpkmkmd.fla

Deletes the following files

C:\users\public\arcgth.fla.ioxtlfkl
C:\users\public\ytlwvivuikft.fla.ioxtlfkl
C:\users\public\eityxuv.fla.ioxtlfkl
C:\users\public\bfpficm.fla.ioxtlfkl
C:\users\public\uzeqmgnrev.fla.ioxtlfkl
C:\users\public\gchvxhcicmjh.fla.ioxtlfkl
C:\users\public\bdjmcu.fla.ioxtlfkl
C:\users\public\gpohbvc.fla.ioxtlfkl
C:\users\public\kordzfwdyi.fla.ioxtlfkl
C:\users\public\btzvotaowo.fla.ioxtlfkl
C:\users\public\zgzewfixm.fla.ioxtlfkl
C:\users\public\fhhlfqv.fla.ioxtlfkl
C:\users\public\tlsejxcdp.fla.ioxtlfkl
C:\users\public\zeykge.fla.ioxtlfkl
C:\users\public\naugrbtk.fla
C:\users\public\awshwpwhdeqi.fla
C:\users\public\vhfzmvjgkzn.fla
C:\users\public\fzslwhhciuxb.fla
C:\users\public\vitzhpjtwar.fla
C:\users\public\enwdbaog.fla
C:\users\public\hazpkmkmd.fla

Moves the following files

from C:\users\public\arcgth.fla to C:\users\public\arcgth.fla.ioxtlfkl
from C:\users\public\ytlwvivuikft.fla to C:\users\public\ytlwvivuikft.fla.ioxtlfkl
from C:\users\public\eityxuv.fla to C:\users\public\eityxuv.fla.ioxtlfkl
from C:\users\public\bfpficm.fla to C:\users\public\bfpficm.fla.ioxtlfkl
from C:\users\public\uzeqmgnrev.fla to C:\users\public\uzeqmgnrev.fla.ioxtlfkl
from C:\users\public\gchvxhcicmjh.fla to C:\users\public\gchvxhcicmjh.fla.ioxtlfkl
from C:\users\public\bdjmcu.fla to C:\users\public\bdjmcu.fla.ioxtlfkl
from C:\users\public\gpohbvc.fla to C:\users\public\gpohbvc.fla.ioxtlfkl
from C:\users\public\zgzewfixm.fla to C:\users\public\zgzewfixm.fla.ioxtlfkl
from C:\users\public\kordzfwdyi.fla to C:\users\public\kordzfwdyi.fla.ioxtlfkl
from C:\users\public\btzvotaowo.fla to C:\users\public\btzvotaowo.fla.ioxtlfkl
from C:\users\public\fhhlfqv.fla to C:\users\public\fhhlfqv.fla.ioxtlfkl
from C:\users\public\tlsejxcdp.fla to C:\users\public\tlsejxcdp.fla.ioxtlfkl
from C:\users\public\zeykge.fla to C:\users\public\zeykge.fla.ioxtlfkl

Modifies the following files

%HOMEPATH%\desktop\cveuropeo.doc
%HOMEPATH%\desktop\file_p_00000000_1371597592.docx
%HOMEPATH%\desktop\hanni_umami_chapter.doc
%HOMEPATH%\desktop\holycrosschurchinstructions.docx
%HOMEPATH%\desktop\issi2013_template_for_posters.docx
%HOMEPATH%\desktop\lisp_success.doc
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\ovp25012015.doc
%HOMEPATH%\desktop\sdszfo.docx
<Drive name for removable media>:\lisp_success.doc
<Drive name for removable media>:\fi51.doc
<Drive name for removable media>:\cveuropeo.doc
<Drive name for removable media>:\glidescope_review_rev_010.docx
<Drive name for removable media>:\sdszfo.docx
<Drive name for removable media>:\issi2013_template_for_posters.docx
<Drive name for removable media>:\holycrosschurchinstructions.docx
<Drive name for removable media>:\adhd_and_obesity.docx
<Drive name for removable media>:\ff_ot_user_guide.pdf
<Drive name for removable media>:\dualectls.pdf
<Drive name for removable media>:\7790_preview.pdf
<Drive name for removable media>:\irgeek.pem
<Drive name for removable media>:\ck_ugo.pem
<Drive name for removable media>:\tunpersonalca1.pem
<Drive name for removable media>:\ck.pem
<Drive name for removable media>:\systisoft.pem
<Drive name for removable media>:\investmentbankca_ca8.pem
<Drive name for removable media>:\cert.pem

Modifies user data files (Trojan.Encoder).

Changes user data files extensions (Trojan.Encoder).

Miscellaneous

Executes the following

'<SYSTEM32>\cmd.exe' fodhelper.exe
'<SYSTEM32>\fodhelper.exe'
'<SYSTEM32>\wscript.exe' /B /E:VBScript.Encode ../../Users/Public/fzslwhhciuxb.fla
'<SYSTEM32>\wscript.exe' /B /E:VBScript.Encode ../../Users/Public/uxdfwpbwlryv.fla

Curing recommendations

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.

Download Dr.Web

Download by serial number

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

Download Dr.Web

Download by serial number

Download on App Store

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

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.

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