Categories: Backdoor

How to remove “Backdoor.Win32.RABased.os”?

The Backdoor.Win32.RABased.os is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Backdoor.Win32.RABased.os virus can do?

  • At least one process apparently crashed during execution
  • Executable code extraction
  • Creates RWX memory
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Attempts to create or modify system certificates
  • Collects information to fingerprint the system

How to determine Backdoor.Win32.RABased.os?


File Info:

crc32: F56602B3md5: fe66a84c175bcd25b2a6221fa3c74976name: FE66A84C175BCD25B2A6221FA3C74976.mlwsha1: 69745ac398f3cbbb61fa253625faff2c5e7defe0sha256: 2984d41816d24e4f00f4aabead77f558d25134f70099d0da610adcefce82126csha512: 654842bb119f67163332887d9fe8e7f84ad24b1f3077acc49e830bec095b4fa7cac1d4d3168e626f5cadad3d6e5696cbac4d2700f7af2396a6c130e4c28f0c36ssdeep: 196608:6+Cvx+UaVrcYF6nP66ZVazTaelJ7PEQzrLwaJfJiGqx:6jVsIYFBgVaZTLwapJixtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: FileVersion: CompanyName: Comments: This installation was built with Inno Setup.ProductName: CCleaner ProductVersion: 5.17 FileDescription: CCleaner Setup OriginalFileName: Translation: 0x0000 0x04b0

Backdoor.Win32.RABased.os also known as:

Elastic malicious (high confidence)
DrWeb BackDoor.RMS.196
Cylance Unsafe
Zillya Trojan.RemoteUtilities.Win32.3
Sangfor Trojan.Win32.Wacatac.B
Alibaba Trojan:Win32/RemoteUtilities.ffdf7390
K7GW Trojan ( 0056e5201 )
K7AntiVirus Trojan ( 0056e5201 )
Symantec Trojan.Gen.2
ESET-NOD32 multiple detections
Avast Win32:MalwareX-gen [Trj]
Kaspersky Backdoor.Win32.RABased.os
BitDefender Trojan.GenericKD.36558398
MicroWorld-eScan Trojan.GenericKD.36558398
Ad-Aware Trojan.GenericKD.36558398
Sophos Generic Reputation PUA (PUA)
TrendMicro TROJ_FRS.VSNTCM21
McAfee-GW-Edition BehavesLike.Win32.AdwareFileTour.rc
FireEye Trojan.GenericKD.36558398
Emsisoft Trojan.GenericKD.36558398 (B)
Jiangmin AdWare.NotB.a
Webroot W32.Adware.Gen
Kingsoft Win32.Hack.RABased.os.(kcloud)
Microsoft Trojan:Win32/Ymacco.AA29
Gridinsoft Trojan.Win32.Gen.oa!s1
Arcabit Trojan.Generic.D22DD63E
AegisLab Trojan.Win32.RABased.m!c
ZoneAlarm Backdoor.Win32.RABased.os
GData Trojan.GenericKD.36558398
AhnLab-V3 Malware/Gen.Generic.C4342453
McAfee Artemis!FE66A84C175B
MAX malware (ai score=89)
Malwarebytes Trojan.Dropper
TrendMicro-HouseCall TROJ_FRS.VSNTCM21
Yandex Trojan.InstallRadmin.B
Ikarus Trojan.Win32.RA
Fortinet W32/multiple_detections
AVG Win32:MalwareX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.Generic.HyoDDn8A

How to remove Backdoor.Win32.RABased.os?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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