Categories: RansomTrojan

How to remove “Trojan-Ransom.Win32.Surtr”?

The Trojan-Ransom.Win32.Surtr 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 Trojan-Ransom.Win32.Surtr virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Disables automatic termination of applications that block or cancel shutdown
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Queries information on disks, possibly for anti-virtualization
  • Attempts to delete or modify volume shadow copies
  • Behavioural detection: Injection (inter-process)
  • Modifies boot configuration settings
  • Created a process from a suspicious location
  • Disables host Power options (shutdown, logoff, lock, change password)
  • Attempts to disable Windows Defender
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan-Ransom.Win32.Surtr?


File Info:

name: B77514E86366E4AC9D62.mlwpath: /opt/CAPEv2/storage/binaries/66d93b00e10a17442c623de8f54223975196d69663f2101a1966db18f9317948crc32: D4EA0F4Amd5: b77514e86366e4ac9d62dd4eaa97d52csha1: c4c1c0108cd7b1a1e2009abc4b12e9791e36db27sha256: 66d93b00e10a17442c623de8f54223975196d69663f2101a1966db18f9317948sha512: da0e664dbea5f8c9105db8010dfc15c6ff510e11c8ff93e8808c717187dd9af9a92c7cd97885674fd0e4a0d48dd30822c7b6f2a30a94cebb7dc315be0290dd90ssdeep: 6144:1953IqyEtyYa7I7f/psEpxC4p7mu+C5zVvRYTK4XRaWXHjhHQtaE4Yle:1953BdL/pH/CTEzVvm24XRaW3dwR4Yletype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T13874021475D1C0B3D4B2383949A0DBE15E7DFA705E649FAFB78815394F302C0DA2ADAAsha3_384: 5cf659cb7b0fee5de3bb5f0f98b542bc38cf16d281faac4ce93b8e339911211bb5de41e96508f7065e1c2379ac55196bep_bytes: e8c5030000e974feffff558bec6a00fftimestamp: 2021-12-05 17:43:26

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Surtr also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.38880365
FireEye Generic.mg.b77514e86366e4ac
McAfee RDN/Ransom
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.22101
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058d4b51 )
Alibaba Trojan:Win32/DelShad.7f82a1eb
K7GW Trojan ( 0058d4b51 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.NHQ
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Ransom.Win32.Surtr.gen
BitDefender Trojan.GenericKD.38880365
Avast Win32:RansomX-gen [Ransom]
Tencent Malware.Win32.Gencirc.11e8236c
Ad-Aware Trojan.GenericKD.38880365
Emsisoft Trojan.GenericKD.38880365 (B)
Comodo Malware@#vdxs2b6uu8va
TrendMicro TROJ_GEN.R002C0RAL22
McAfee-GW-Edition BehavesLike.Win32.Tool.fc
Sophos Mal/Generic-S + Mal/Wonton-S
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKD.38880365
Avira HEUR/AGEN.1237799
Antiy-AVL Trojan/Generic.ASMalwS.3511009
Gridinsoft Ransom.Win32.Sabsik.sa
ZoneAlarm HEUR:Trojan-Ransom.Win32.Surtr.gen
Microsoft Trojan:Win32/Sabsik.FL.B!ml
AhnLab-V3 Malware/Win.RansomX-gen.C4925775
BitDefenderTheta Gen:NN.ZexaF.34232.vuZ@ae1z0kmi
ALYac Trojan.GenericKD.38880365
MAX malware (ai score=83)
VBA32 Trojan.DelShad
Malwarebytes Ransom.FileCryptor
TrendMicro-HouseCall TROJ_GEN.R002C0RAL22
Rising Trojan.DelShad!8.107D7 (CLOUD)
Yandex Trojan.DelShad!FES7UEsfdBQ
Ikarus Trojan.Win32.Pterodo
Fortinet W32/Filecoder.NHQ!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan-Ransom.Win32.Surtr?

  • 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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