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Win32.HLLW.Autoruner3.12431
Added to the Dr.Web virus database:
2025-06-10
Virus description added:
2025-06-12
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'test_system_update' = 'C:\Users\Public\explorer.exe'
Creates the following files on removable media
<Drive name for removable media>:\ВВ«Вn¸ê®æ.exe
<Drive name for removable media>:\¨ä¥l¸ê®æ.exe
<Drive name for removable media>:\¦n®æ.exe
<Drive name for removable media>:\ГЎГґВЁpВ·Гі.exe
<Drive name for removable media>:\explorer.exe
<Drive name for removable media>:\autorun.inf
Modifies file system
Creates the following files
C:\ВВ«Вn¸ê®æ.exe
C:\¨ä¥l¸ê®æ.exe
C:\¦n®æ.exe
C:\ГЎГґВЁpВ·Гі.exe
C:\explorer.exe
C:\autorun.inf
D:\ВВ«Вn¸ê®æ.exe
D:\¨ä¥l¸ê®æ.exe
D:\¦n®æ.exe
D:\ГЎГґВЁpВ·Гі.exe
D:\explorer.exe
D:\autorun.inf
Sets the 'hidden' attribute to the following files
C:\users\public\explorer.exe
C:\autorun.inf
D:\autorun.inf
<Drive name for removable media>:\autorun.inf
Moves itself
from <Full path to file> to C:\users\public\explorer.exe
Network activity
Connects to
UDP
DNS ASK te##.###.hacker.test.test
Miscellaneous
Executes the following
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\FirewallControlPanel.dll,ShowNotificationDialog /configure /ETOnly 0 /OnProfiles 6 /OtherAllowed 0 /OtherBlocked 0 /OtherEdgeAllowed 0 /NewBlocked 4 "C:\users\public\explorer.exe"
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