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Trojan.Siggen13.48437

Added to the Dr.Web virus database: 2021-06-03

Virus description added:

Technical Information

To ensure autorun and distribution
Sets the following service settings
  • [<HKLM>\System\CurrentControlSet\Services\MDA_NTDRV] 'ImagePath' = '<SYSTEM32>\MDA_NTDRV.sys'
Creates the following services
  • 'MDA_NTDRV' <SYSTEM32>\MDA_NTDRV.sys
Modifies file system
Creates the following files
  • <Current directory>\data\macrorit partition expert\xsandbox.bin.__tmp__
  • <Current directory>\data\macrorit partition expert\roaming\meta\@programfiles@\macrorit\disk partition expert\dm.log.__meta__.__tmp__
  • <Current directory>\data\macrorit partition expert\local\temp\@programfiles@\macrorit\disk partition expert\dm.log
  • <Current directory>\data\macrorit partition expert\roaming\meta\@windir@\suite.vssmgr.exe.__meta__.__tmp__
  • <Current directory>\data\macrorit partition expert\local\temp\@windir@\suite.vssmgr.exe
  • <SYSTEM32>\mda_ntdrv.sys
  • <SYSTEM32>\ndm-fre.exe
  • %TEMP%\nsw5f60.tmp\system.dll
  • %TEMP%\nsw5f60.tmp\version.dll
  • %TEMP%\nsw5f5f.tmp
  • <Current directory>\data\macrorit partition expert\local\meta\@programfiles@\macrorit.__meta__.__tmp__
  • <Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe.manifest.__tmp__
  • <Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe.__tmp__
  • <Current directory>\data\macrorit partition expert\roaming\meta\@programfiles@\macrorit\disk partition expert\dm.ac.__meta__.__tmp__
  • <Current directory>\data\macrorit partition expert\local\temp\@programfiles@\macrorit\disk partition expert\dm.ac
  • <Current directory>\data\macrorit partition expert\local\meta\@programfiles@\macrorit\disk partition expert\dm.api.__meta__.__tmp__
  • <Current directory>\data\macrorit partition expert\local\temp\@programfiles@\macrorit\disk partition expert\dm.api
  • <Current directory>\data\macrorit partition expert\local\temp\2488_0000000000400000_tls.dll
  • <Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe.manifest.__tmp__
  • <Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe.__tmp__
  • %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\x86_nullsoft.nsis.exehead@1.0.0.0\x86_nullsoft.nsis.exehead@1.0.0.0.manifest.__tmp__
  • %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\x86_nullsoft.nsis.exehead@1.0.0.0\nullsoft.nsis.exehead.manifest.__tmp__
  • %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\suite.vssmgr.exe_0x3135b6a59b0bdad940af864f9917e4e2.1.manifest.__tmp__
  • %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\dm.exe_0x57d560fec36a91e2de7ffe02d0fefd46.1.manifest.__tmp__
  • %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\dm.api_0x213553cdcf70033f79dbfb3fd9f0cd5f.2.manifest.__tmp__
  • %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\core-fre.exe_0xe3f36720b147d4a95865ab5834f24076.1.manifest.__tmp__
  • <Current directory>\data\macrorit partition expert\roaming\modified\@programfiles@\macrorit\disk partition expert\dm.log
  • %WINDIR%\temp\udd669e.tmp
Deletes the following files
  • <Current directory>\data\macrorit partition expert\roaming\meta\@windir@\suite.vssmgr.exe.__meta__
  • %TEMP%\nsw5f60.tmp\system.dll
  • %TEMP%\nsw5f60.tmp\version.dll
  • %WINDIR%\temp\udd669e.tmp
Moves the following files
  • from <Current directory>\data\macrorit partition expert\xsandbox.bin.__tmp__ to <Current directory>\data\macrorit partition expert\xsandbox.bin
  • from <Current directory>\data\macrorit partition expert\roaming\modified\@windir@\suite.vssmgr.exe to %WINDIR%\vssmgr.exe
  • from <Current directory>\data\macrorit partition expert\roaming\meta\@windir@\suite.vssmgr.exe.__meta__.__tmp__ to <Current directory>\data\macrorit partition expert\roaming\meta\@windir@\suite.vssmgr.exe.__meta__
  • from <Current directory>\data\macrorit partition expert\local\temp\@windir@\suite.vssmgr.exe to <Current directory>\data\macrorit partition expert\roaming\modified\@windir@\suite.vssmgr.exe
  • from <Current directory>\data\macrorit partition expert\local\meta\@programfiles@\macrorit.__meta__.__tmp__ to <Current directory>\data\macrorit partition expert\local\meta\@programfiles@\macrorit.__meta__
  • from <Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe.manifest.__tmp__ to <Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe.manifest
  • from <Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe.__tmp__ to <Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe
  • from <Current directory>\data\macrorit partition expert\roaming\meta\@programfiles@\macrorit\disk partition expert\dm.ac.__meta__.__tmp__ to <Current directory>\data\macrorit partition expert\roaming\meta\@programfiles@\macrorit\disk partition expert\dm.ac.__meta__
  • from <Current directory>\data\macrorit partition expert\local\temp\@programfiles@\macrorit\disk partition expert\dm.ac to <Current directory>\data\macrorit partition expert\roaming\modified\@programfiles@\macrorit\disk partition expert\dm.ac
  • from <Current directory>\data\macrorit partition expert\local\temp\@programfiles@\macrorit\disk partition expert\dm.log to <Current directory>\data\macrorit partition expert\roaming\modified\@programfiles@\macrorit\disk partition expert\dm.log
  • from <Current directory>\data\macrorit partition expert\local\meta\@programfiles@\macrorit\disk partition expert\dm.api.__meta__.__tmp__ to <Current directory>\data\macrorit partition expert\local\meta\@programfiles@\macrorit\disk partition expert\dm.api.__meta__
  • from <Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe.manifest.__tmp__ to <Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe.manifest
  • from <Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe.__tmp__ to <Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe
  • from %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\x86_nullsoft.nsis.exehead@1.0.0.0\x86_nullsoft.nsis.exehead@1.0.0.0.manifest.__tmp__ to %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\x86_nullsoft.nsis.exehead@1.0.0.0\x86_nullsoft.nsis.exehead@1.0.0.0.manifest
  • from %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\x86_nullsoft.nsis.exehead@1.0.0.0\nullsoft.nsis.exehead.manifest.__tmp__ to %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\x86_nullsoft.nsis.exehead@1.0.0.0\nullsoft.nsis.exehead.manifest
  • from %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\suite.vssmgr.exe_0x3135b6a59b0bdad940af864f9917e4e2.1.manifest.__tmp__ to %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\suite.vssmgr.exe_0x3135b6a59b0bdad940af864f9917e4e2.1.manifest
  • from %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\dm.exe_0x57d560fec36a91e2de7ffe02d0fefd46.1.manifest.__tmp__ to %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\dm.exe_0x57d560fec36a91e2de7ffe02d0fefd46.1.manifest
  • from %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\dm.api_0x213553cdcf70033f79dbfb3fd9f0cd5f.2.manifest.__tmp__ to %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\dm.api_0x213553cdcf70033f79dbfb3fd9f0cd5f.2.manifest
  • from %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\core-fre.exe_0xe3f36720b147d4a95865ab5834f24076.1.manifest.__tmp__ to %TEMP%\spoon\cache\0xb72d5ba9f20ebc60\sxs\manifests\core-fre.exe_0xe3f36720b147d4a95865ab5834f24076.1.manifest
  • from <Current directory>\data\macrorit partition expert\local\temp\@programfiles@\macrorit\disk partition expert\dm.api to <Current directory>\data\macrorit partition expert\local\modified\@programfiles@\macrorit\disk partition expert\dm.api
  • from <Current directory>\data\macrorit partition expert\roaming\meta\@programfiles@\macrorit\disk partition expert\dm.log.__meta__.__tmp__ to <Current directory>\data\macrorit partition expert\roaming\meta\@programfiles@\macrorit\disk partition expert\dm.log.__meta__
Network activity
Connects to
  • 'ma###rit.com':80
  • 'ma###rit.com':443
TCP
Other
  • 'ma###rit.com':443
UDP
  • DNS ASK st###.spoon.net
  • DNS ASK ma###rit.com
Miscellaneous
Creates and executes the following
  • '<Current directory>\data\macrorit partition expert\local\stubexe\0x5079facab130b532\dm.exe' /864A627C-C6B2-464A-AA13-25D62F282BD8
  • '<Current directory>\data\macrorit partition expert\local\stubexe\0x08e6ee429ae13b8a\core-fre.exe' /864A627C-C6B2-464A-AA13-25D62F282BD8

Curing recommendations

  1. 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.
  2. 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.
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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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Download on App Store

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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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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