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Trojan.Siggen8.54594
Aggiunto al database dei virus Dr.Web:
2019-11-09
La descrizione è stata aggiunta:
2019-11-11
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'xrhewuun' = '"%HOMEPATH%\eyypajac.exe"'
Creates the following services
[<HKLM>\System\CurrentControlSet\Services\uoebtrrk] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\uoebtrrk] 'ImagePath' = '%WINDIR%\SysWOW64\uoebtrrk\tgspivak.exe /d"<Full path to file>"'
[<HKLM>\System\CurrentControlSet\Services\uoebtrrk] 'ImagePath' = '%WINDIR%\SysWOW64\uoebtrrk\neahyxbf.exe /d"%HOMEPATH%\eyypajac.exe"'
[<HKLM>\SYSTEM\CurrentControlSet\services\uoebtrrk] 'ImagePath' = '%WINDIR%\SysWOW64\uoebtrrk\neahyxbf.exe'
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion with following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\SysWOW64\uoebtrrk' = '00000000'
Executes the following
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul
Injects code into
the following system processes:
%WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
%TEMP%\tgspivak.exe
%HOMEPATH%\eyypajac.exe
%TEMP%\neahyxbf.exe
%WINDIR%\syswow64\config\systemprofile:.repos
Deletes the following files
Moves the following files
from %TEMP%\tgspivak.exe to %WINDIR%\syswow64\uoebtrrk\tgspivak.exe
from %TEMP%\neahyxbf.exe to %WINDIR%\syswow64\uoebtrrk\neahyxbf.exe
Network activity
Connects to
'mt##.##0.yahoodns.net':25
TCP
HTTP GET requests
'43.#31.4.7':443
'17#.#11.49.43':422
'93.#79.68.4':422
'46.#.52.109':422
'14#.#6.199.2':422
'85.##.119.25':422
'19#.#.131.101':422
'ms#####.##c.protection.outlook.com':25
'eu#.###.#rotection.outlook.com':25
'co######4.frc.utn.edu.ar':25
'ho#########.olc.protection.outlook.com':25
'sm##.tin.it':25
'so########.mail.protection.outlook.com':25
'mx####.##il.gm0.yahoodns.net':25
'mx.##.#tinternet.com':25
'ALT1.ASPMX.L.GOOGLE.COM':25
'gmail-smtp-in.l.google.com':25
'mt##.##0.yahoodns.net':25
'po##.#ashvault.pro':80
'85.##4.134.88':486
'aspmx.l.google.com':25
'mx#.#aver.com':25
UDP
DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK di###way.com
DNS ASK a3#####03.direcpc.com
DNS ASK ti#.it
DNS ASK sm##.tin.it
DNS ASK al###aurea.it
DNS ASK aspmx.l.google.com
DNS ASK ho##ail.com
DNS ASK ho#########.olc.protection.outlook.com
DNS ASK ai#.com
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK ex######n.frc.utn.edu.ar
DNS ASK et###.#ail.tiscali.it
DNS ASK ti##ali.it
DNS ASK ho###il.co.uk
DNS ASK eu#.###.#rotection.outlook.com
DNS ASK ms#.com
DNS ASK ms#####.##c.protection.outlook.com
DNS ASK google.com
DNS ASK ip##fo.io
DNS ASK co######4.frc.utn.edu.ar
DNS ASK ti###linet.it
DNS ASK mx.##.#tinternet.com
DNS ASK bt###ernet.com
DNS ASK mx##.1and1.fr
DNS ASK ya##o.com
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK mt##.##0.yahoodns.net
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK so##del.it
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK so########.mail.protection.outlook.com
DNS ASK ya###.com.ar
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK po##.#ashvault.pro
DNS ASK gm#.de
DNS ASK mx##.#mig.gmx.net
DNS ASK gm##l.com
DNS ASK gmail-smtp-in.l.google.com
DNS ASK un##ib.it
DNS ASK ALT1.ASPMX.L.GOOGLE.COM
DNS ASK bm##.com
DNS ASK pr####2.bmts.com
DNS ASK ch#####xdemeures.com
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK na##r.com
DNS ASK mx#.#aver.com
Miscellaneous
Creates and executes the following
'%HOMEPATH%\eyypajac.exe' /d"<Full path to file>"
'%WINDIR%\syswow64\uoebtrrk\neahyxbf.exe' /d"%HOMEPATH%\eyypajac.exe"
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\uoebtrrk\' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\tgspivak.exe" %WINDIR%\SysWOW64\uoebtrrk\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' create uoebtrrk binPath= "%WINDIR%\SysWOW64\uoebtrrk\tgspivak.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' description uoebtrrk "wifi internet conection"' (with hidden window)
'%WINDIR%\syswow64\sc.exe' start uoebtrrk' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\neahyxbf.exe" %WINDIR%\SysWOW64\uoebtrrk\' (with hidden window)
'%WINDIR%\syswow64\sc.exe' config uoebtrrk binPath= "%WINDIR%\SysWOW64\uoebtrrk\neahyxbf.exe /d\"%HOMEPATH%\eyypajac.exe\""' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\uoebtrrk\
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\tgspivak.exe" %WINDIR%\SysWOW64\uoebtrrk\
'%WINDIR%\syswow64\sc.exe' create uoebtrrk binPath= "%WINDIR%\SysWOW64\uoebtrrk\tgspivak.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'%WINDIR%\syswow64\sc.exe' description uoebtrrk "wifi internet conection"
'%WINDIR%\syswow64\sc.exe' start uoebtrrk
'%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\neahyxbf.exe" %WINDIR%\SysWOW64\uoebtrrk\
'%WINDIR%\syswow64\sc.exe' config uoebtrrk binPath= "%WINDIR%\SysWOW64\uoebtrrk\neahyxbf.exe /d\"%HOMEPATH%\eyypajac.exe\""
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/xhv -o pool.hashvault.pro:80 -u hvs1hBH2qRhZkKfQyujRfXN4wmUM8hM4VQnhn9xUM6NVgAcdnA3dUBh7qqFx38kZTVEbU3tD3jr2aFXwFtwyj3is7hGGAcW1EH.5000 -p с -k
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
Scaricate Dr.Web per Android
Gratis per 3 mesi
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