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Trojan.DownLoader29.64583
Added to the Dr.Web virus database:
2019-08-08
Virus description added:
2019-08-12
Technical Information
To ensure autorun and distribution
Creates the following services
[<HKLM>\System\CurrentControlSet\Services\tfbckmli] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\tfbckmli] 'ImagePath' = '<SYSTEM32>\tfbckmli\kpccfeuz.exe /d"<Full path to file>"'
[<HKLM>\SYSTEM\CurrentControlSet\services\tfbckmli] 'ImagePath' = '<SYSTEM32>\tfbckmli\kpccfeuz.exe'
Malicious functions
Injects code into
the following system processes:
Modifies file system
Creates the following files
%TEMP%\kpccfeuz.exe
C:\documents and settings\localservice:.repos
Moves the following files
from %TEMP%\kpccfeuz.exe to <SYSTEM32>\tfbckmli\kpccfeuz.exe
Deletes itself.
Network activity
Connects to
'cl######n-04.mbs.boeing.net':25
'mx#.##antel.net.om':25
'mx##.schlund.de':25
'mx##.#spgateway.de':25
'et###.#ail.tiscali.it':25
'da####hoj.sdcda.org':25
'mx#.##ailsrvr.com':25
'ma######02.midmichigan.net':25
'alt2.gmail-smtp-in.l.google.com':25
'mx.##enet.gr':25
'as####.googlemail.com':25
'hy###1.first.gr':25
'ho#########.olc.protection.outlook.com':25
'mx#######201.gslb.pphosted.com':25
'vi####all.okia.com':25
'mx####.##il.gm0.yahoodns.net':25
'gmail-smtp-in.l.google.com':25
'pr######ntagnt.bryanlgh.org':25
'95.##1.178.17':484
TCP
UDP
DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK mx##.#spgateway.de
DNS ASK ix.##tcom.com
DNS ASK mx#.##rthlink.net
DNS ASK google.com
DNS ASK we##.boeing.com
DNS ASK cl######n-04.mbs.boeing.net
DNS ASK ok##.com
DNS ASK vi####all.okia.com
DNS ASK sp####um-health.org
DNS ASK mx#######201.gslb.pphosted.com
DNS ASK ei#.gr
DNS ASK hy###1.first.gr
DNS ASK ty##kos.gr
DNS ASK as####.googlemail.com
DNS ASK br###lgh.org
DNS ASK pr######ntagnt.bryanlgh.org
DNS ASK st###tiou-co.gr
DNS ASK pr###dence.org
DNS ASK oj##t.om
DNS ASK mx##.schlund.de
DNS ASK di###lden.org
DNS ASK di###ocke.de
DNS ASK et###.#ail.tiscali.it
DNS ASK da####hoj.sdcda.org
DNS ASK ti###linet.it
DNS ASK sd##a.org
DNS ASK mx#.##ailsrvr.com
DNS ASK di#####ttingdies.com
DNS ASK ma######02.midmichigan.net
DNS ASK mi###chigan.org
DNS ASK mx.##enet.gr
DNS ASK go###email.com
DNS ASK pr###iker.com
DNS ASK ASPMX.L.GOOGLE.com
DNS ASK ig#####.ige-xao.com.pl
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK ma####ing-house.pl
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK mx#######502.gslb.pphosted.com
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK gm##l.com
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK gmail-smtp-in.l.google.com
DNS ASK fr#e.fr
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK mx#.free.fr
DNS ASK mm##.#mantel.net.om
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK om###el.net.om
DNS ASK ag##.com
DNS ASK mx#.##antel.net.om
DNS ASK ho#########.olc.protection.outlook.com
DNS ASK ao#.com
DNS ASK ma##.mpsa.com
DNS ASK mp##.com
DNS ASK mx#.pzu.pl
DNS ASK tf###u.com.pl
DNS ASK ho##ail.com
DNS ASK alt2.gmail-smtp-in.l.google.com
DNS ASK ak#4.om
DNS ASK bl####.omantel.net.om
DNS ASK mx##.wum.edu.pl
DNS ASK ib.##waw.edu.pl
DNS ASK mx#.#mpal.com
DNS ASK em##l.com
DNS ASK ig###ao.com.pl
DNS ASK mx####.##il.gm0.yahoodns.net
'<DNS_SERVER>':53
Miscellaneous
Creates and executes the following
'<SYSTEM32>\tfbckmli\kpccfeuz.exe' /d"<Full path to file>"
'<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\tfbckmli\' (with hidden window)
'<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\kpccfeuz.exe" <SYSTEM32>\tfbckmli\' (with hidden window)
'<SYSTEM32>\sc.exe' create tfbckmli binPath= "<SYSTEM32>\tfbckmli\kpccfeuz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'<SYSTEM32>\sc.exe' description tfbckmli "wifi internet conection"' (with hidden window)
'<SYSTEM32>\sc.exe' start tfbckmli' (with hidden window)
Executes the following
'<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\tfbckmli\
'<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\kpccfeuz.exe" <SYSTEM32>\tfbckmli\
'<SYSTEM32>\sc.exe' create tfbckmli binPath= "<SYSTEM32>\tfbckmli\kpccfeuz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'<SYSTEM32>\sc.exe' description tfbckmli "wifi internet conection"
'<SYSTEM32>\sc.exe' start tfbckmli
'<SYSTEM32>\svchost.exe'
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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