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Trojan.DownLoader45.64223

Added to the Dr.Web virus database: 2023-08-05

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'aofytldeylgycqvobem' = '%TEMP%\gshyrhxwozsikwzqb.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'ryiuiteylrfq' = '%TEMP%\pcskevmmfrlcfswoac.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = '%TEMP%\cslgdxruqfcwcszujoyrs.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = 'ncuokdwythdwbqwqeirj.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'uergxlzwmvmaakl' = 'zkyogvkizjbqrceu.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'gshyrhxwozsikwzqb' = 'gshyrhxwozsikwzqb.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'aofytldeylgycqvobem' = '%TEMP%\ncuokdwythdwbqwqeirj.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'pcskevmmfrlcfswoac' = '%TEMP%\zkyogvkizjbqrceu.exe .'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = '%TEMP%\aofytldeylgycqvobem.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'gshyrhxwozsikwzqb' = 'ncuokdwythdwbqwqeirj.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'pcskevmmfrlcfswoac' = '%TEMP%\ncuokdwythdwbqwqeirj.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'ryiuiteylrfq' = '%TEMP%\ncuokdwythdwbqwqeirj.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = '%TEMP%\gshyrhxwozsikwzqb.exe .'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = '%TEMP%\gshyrhxwozsikwzqb.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = '%TEMP%\pcskevmmfrlcfswoac.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = 'pcskevmmfrlcfswoac.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'zkyogvkizjbqrceu' = 'ncuokdwythdwbqwqeirj.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'uergxlzwmvmaakl' = 'gshyrhxwozsikwzqb.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'zkyogvkizjbqrceu' = 'gshyrhxwozsikwzqb.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = '%TEMP%\cslgdxruqfcwcszujoyrs.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'pcskevmmfrlcfswoac' = '%TEMP%\aofytldeylgycqvobem.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = 'cslgdxruqfcwcszujoyrs.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = 'ncuokdwythdwbqwqeirj.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'gshyrhxwozsikwzqb' = 'cslgdxruqfcwcszujoyrs.exe .'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'gshyrhxwozsikwzqb' = 'aofytldeylgycqvobem.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = 'zkyogvkizjbqrceu.exe .'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = '%TEMP%\pcskevmmfrlcfswoac.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = 'cslgdxruqfcwcszujoyrs.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = 'zkyogvkizjbqrceu.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = 'gshyrhxwozsikwzqb.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'uergxlzwmvmaakl' = 'ncuokdwythdwbqwqeirj.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'zkyogvkizjbqrceu' = 'cslgdxruqfcwcszujoyrs.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'gshyrhxwozsikwzqb' = 'zkyogvkizjbqrceu.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'aofytldeylgycqvobem' = '%TEMP%\zkyogvkizjbqrceu.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'pcskevmmfrlcfswoac' = '%TEMP%\gshyrhxwozsikwzqb.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'ryiuiteylrfq' = '%TEMP%\aofytldeylgycqvobem.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = '%TEMP%\zkyogvkizjbqrceu.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = '%TEMP%\zkyogvkizjbqrceu.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = 'aofytldeylgycqvobem.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'uergxlzwmvmaakl' = 'pcskevmmfrlcfswoac.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'ryiuiteylrfq' = '%TEMP%\gshyrhxwozsikwzqb.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'zkyogvkizjbqrceu' = 'zkyogvkizjbqrceu.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'aofytldeylgycqvobem' = '%TEMP%\pcskevmmfrlcfswoac.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'pcskevmmfrlcfswoac' = '%TEMP%\cslgdxruqfcwcszujoyrs.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'ryiuiteylrfq' = '%TEMP%\zkyogvkizjbqrceu.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = '%TEMP%\ncuokdwythdwbqwqeirj.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = '%TEMP%\ncuokdwythdwbqwqeirj.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'qyjwlxjeszoay' = 'gshyrhxwozsikwzqb.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = 'aofytldeylgycqvobem.exe .'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'gshyrhxwozsikwzqb' = 'pcskevmmfrlcfswoac.exe .'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'aofytldeylgycqvobem' = '%TEMP%\cslgdxruqfcwcszujoyrs.exe'
  • [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] 'pcskevmmfrlcfswoac' = '%TEMP%\pcskevmmfrlcfswoac.exe .'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'zkyogvkizjbqrceu' = 'aofytldeylgycqvobem.exe'
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'ramaqdqmbjzmlu' = '%TEMP%\aofytldeylgycqvobem.exe .'
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
blocks execution of the following system utilities:
  • Registry Editor (RegEdit)
blocks the following features:
  • User Account Control (UAC)
Forces autoplay for removable media.
Modifies file system
Creates the following files
  • %TEMP%\achoxdj.exe
  • %WINDIR%\syswow64\dywwyxwefzbalgssmwljpp.yww
  • %ProgramFiles(x86)%\dywwyxwefzbalgssmwljpp.yww
  • %LOCALAPPDATA%\dywwyxwefzbalgssmwljpp.yww
  • %WINDIR%\dywwyxwefzbalgssmwljpp.yww
  • %TEMP%\dywwyxwefzbalgssmwljpp.yww
  • %WINDIR%\syswow64\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %ProgramFiles(x86)%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %LOCALAPPDATA%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %WINDIR%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %TEMP%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
Sets the 'hidden' attribute to the following files
  • %WINDIR%\syswow64\dywwyxwefzbalgssmwljpp.yww
  • %ProgramFiles(x86)%\dywwyxwefzbalgssmwljpp.yww
  • %LOCALAPPDATA%\dywwyxwefzbalgssmwljpp.yww
  • %WINDIR%\dywwyxwefzbalgssmwljpp.yww
  • %TEMP%\dywwyxwefzbalgssmwljpp.yww
  • %WINDIR%\syswow64\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %ProgramFiles(x86)%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %LOCALAPPDATA%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %WINDIR%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
  • %TEMP%\uajuhrbuglyiekhsxssbsdcircpzjcotg.msp
Network activity
Connects to
  • 'wh#####yipaddress.com':80
  • 'sh####ipaddress.com':80
  • 'wh###smyip.com':80
  • 'yo##ube.com':80
  • '<LOCALNET>.28.2':445
  • '<LOCALNET>.28.2':139
  • 'qs##ii.org':80
TCP
HTTP GET requests
  • http://wh#####yipaddress.com/
  • http://www.sh####ipaddress.com/
  • http://www.wh###smyip.com/
  • http://www.yo##ube.com/
UDP
  • DNS ASK jp####jraoqj.net
  • DNS ASK bd####ecjob.info
  • DNS ASK ps###aj.info
  • DNS ASK lm###qizltz.net
  • DNS ASK sw###kwmjdd.net
  • DNS ASK uo###aki.com
  • DNS ASK wx####xiqjnc.info
  • DNS ASK du####dqrkb.info
  • DNS ASK af###ahytnc.net
  • DNS ASK ha###tcbzy.net
  • DNS ASK sy###wgl.info
  • DNS ASK jq###mhov.com
  • DNS ASK qs##ii.org
  • DNS ASK bv###yppza.info
  • DNS ASK rw###kbuh.info
  • DNS ASK oy####litzr.info
  • DNS ASK ec###syq.org
  • DNS ASK re###arxnl.info
  • DNS ASK ei###enn.net
  • DNS ASK rn###obcdw.info
  • DNS ASK tw####jyxyv.info
  • DNS ASK bu###kjie.com
  • DNS ASK sh####ipaddress.com
  • DNS ASK wh###smyip.com
  • DNS ASK yo##ube.com
  • DNS ASK xg##ree.com
  • DNS ASK zi###vno.net
  • DNS ASK tm##yg.net
  • DNS ASK hl##cio.org
  • DNS ASK kn###unqhc.net
  • DNS ASK zz###try.net
  • DNS ASK ew###qqgx.net
  • DNS ASK is###imgwa.com
  • DNS ASK bi##nyw.org
  • DNS ASK vy####norvhq.net
  • DNS ASK mg##ue.com
  • DNS ASK sb####welmb.info
  • DNS ASK wh#####yip.everdot.org
  • DNS ASK to###mcbl.info
  • DNS ASK wh#####yipaddress.com
  • DNS ASK wh###smyip.ca
  • 'localhost':55235
  • 'localhost':60068
Miscellaneous
Creates and executes the following
  • '%TEMP%\achoxdj.exe' "-"

Curing recommendations

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  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.

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