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Trojan.MulDrop28.31116
Added to the Dr.Web virus database:
2024-10-17
Virus description added:
2024-10-18
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] '{050d4fc8-5d48-4b8f-8972-47c82c46020f}' = '"%ALLUSERSPROFILE%\Package Cache\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\vcredist...
[HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] '{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}' = '"%ALLUSERSPROFILE%\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\vcredist...
[HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] '{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}' = '"%ALLUSERSPROFILE%\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist...
[HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce] '{f65db027-aff3-4070-886a-0d87064aabb1}' = '"%ALLUSERSPROFILE%\Package Cache\{f65db027-aff3-4070-886a-0d87064aabb1}\vcredist...
Malicious functions
Terminates or attempts to terminate
the following user processes:
Modifies file system
Creates the following files
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\wixstdba.dll
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\thm.wxl
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\logo.png
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\license.rtf
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\dd_vcredist_amd64_20241016173830.log
%TEMP%\dd_vcredist_amd64_20241016173830_0_vcruntimeadditional_x64.log
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\wixstdba.dll
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\thm.xml
%TEMP%\dd_vcredist_amd64_20241016173830_1_vcruntimeminimum_x64.log
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\thm.wxl
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\logo.png
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\license.rtf
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\dd_vcredist_x86_20241016173842.log
%TEMP%\dd_vcredist_x86_20241016173842_0_vcruntimeadditional_x86.log
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\wixstdba.dll
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\thm.xml
%TEMP%\msi99c3e.log
%TEMP%\dd_vcredist_x86_20241016173809_1_vcruntimeminimum_x86.log
%TEMP%\dd_vcredist_x86_20241016173809_0_vcruntimeadditional_x86.log
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\thm.wxl
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\logo.png
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\license.rtf
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\dd_vcredist_amd64_20241016173747.log
%TEMP%\dd_vcredist_amd64_20241016173747_0_vcruntimeadditional_x64.log
\device\harddiskvolume1\boot\bcd.log
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\thm.xml
\device\harddiskvolume1\boot\bcd
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\wixstdba.dll
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\thm.xml
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\thm.wxl
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\logo.png
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\license.rtf
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\dd_vcredist_x86_20241016173809.log
%TEMP%\dd_vcredist_amd64_20241016173747_1_vcruntimeminimum_x64.log
%TEMP%\dd_vcredist_x86_20241016173842_1_vcruntimeminimum_x86.log
%TEMP%\msia1bf8.log
Deletes the following files
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\thm.wxl
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\logo.png
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\license.rtf
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\wixstdba.dll
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\thm.xml
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\thm.wxl
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\logo.png
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\license.rtf
%TEMP%\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\wixstdba.dll
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\thm.xml
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\thm.wxl
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\logo.png
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\license.rtf
%TEMP%\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\.ba1\bootstrapperapplicationdata.xml
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\wixstdba.dll
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\thm.xml
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\thm.wxl
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\logo.png
%TEMP%\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\license.rtf
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\thm.xml
%TEMP%\{f65db027-aff3-4070-886a-0d87064aabb1}\.ba1\wixstdba.dll
Moves the following system files
Modifies the following files
%ALLUSERSPROFILE%\package cache\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\state.rsm
%LOCALAPPDATA%\microsoft\windows\usrclass.dat.log1
%LOCALAPPDATA%\microsoft\windows\usrclass.dat
%ALLUSERSPROFILE%\package cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\state.rsm
%ALLUSERSPROFILE%\package cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\state.rsm
%ALLUSERSPROFILE%\package cache\{f65db027-aff3-4070-886a-0d87064aabb1}\state.rsm
Miscellaneous
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{196BB40D-1578-3D01-B289-BEFC77A11A1E}" /qb
'%WINDIR%\syswow64\msiexec.exe' /x "{196BB40D-1578-3D01-B289-BEFC77A11A1E}" /qb
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{42667D2E-B054-46C1-9D46-2EE1332C14C1}" /qb
'%WINDIR%\syswow64\msiexec.exe' /x "{42667D2E-B054-46C1-9D46-2EE1332C14C1}" /qb
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{9A25302D-30C0-39D9-BD6F-21E6EC160475}" /qb
'%WINDIR%\syswow64\msiexec.exe' /x "{9A25302D-30C0-39D9-BD6F-21E6EC160475}" /qb
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{6CD9E9ED-906D-4196-8DC3-F987D2F6615F}" /qb
'%WINDIR%\syswow64\msiexec.exe' /x "{6CD9E9ED-906D-4196-8DC3-F987D2F6615F}" /qb
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{DA5E371C-6333-3D8A-93A4-6FD5B20BCC6E}" /qb
'%WINDIR%\syswow64\msiexec.exe' /x "{DA5E371C-6333-3D8A-93A4-6FD5B20BCC6E}" /qb
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{196BB40D-1578-3D01-B289-BEFC77A11A1E}" /qb' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{42667D2E-B054-46C1-9D46-2EE1332C14C1}" /qb' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{9A25302D-30C0-39D9-BD6F-21E6EC160475}" /qb' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{6CD9E9ED-906D-4196-8DC3-F987D2F6615F}" /qb' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c msiexec.exe /x "{DA5E371C-6333-3D8A-93A4-6FD5B20BCC6E}" /qb' (with hidden window)
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
Download Dr.Web for Android
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Renew your trial license in AppGallery/on Google Pay
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