Trojan-Ransom.Win32.Surtr

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan-Ransom.Win32.Surtr malware detection means that your system is in big danger. This malware can correctly be named as ransomware – virus which encrypts your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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Trojan-Ransom.Win32.Surtr detection is a malware detection you can spectate in your computer. It usually appears after the preliminary actions on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or installing the program from untrustworthy resources. From the second it shows up, you have a short time to do something about it before it starts its destructive action. And be sure – it is much better not to await these malicious things.

What is Trojan-Ransom.Win32.Surtr virus?

Trojan-Ransom.Win32.Surtr is ransomware-type malware. It looks for the documents on your disks, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware also does a ton of damage to your system. It modifies the networking settings in order to stop you from looking for the removal tutorials or downloading the antivirus. In rare cases, Trojan-Ransom.Win32.Surtr can even prevent the setup of anti-malware programs.

Trojan-Ransom.Win32.Surtr Summary

Summarizingly, Trojan-Ransom.Win32.Surtr malware activities in the infected system are next:

  • 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;
  • Encrypting the files located on the victim’s drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a major problem for the last 4 years. It is difficult to picture a more damaging malware for both individual users and companies. The algorithms utilized in Trojan-Ransom.Win32.Surtr (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these bad things without delay – it can require up to a few hours to cipher all of your files. Therefore, seeing the Trojan-Ransom.Win32.Surtr detection is a clear signal that you need to start the removal process.

Where did I get the Trojan-Ransom.Win32.Surtr?

Common tactics of Trojan-Ransom.Win32.Surtr spreading are typical for all other ransomware variants. Those are one-day landing websites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a relatively new method in malware distribution – you get the e-mail that simulates some regular notifications about deliveries or bank service conditions changes. Within the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty simple, however, still requires tons of recognition. Malware can hide in different spots, and it is better to stop it even before it invades your computer than to trust in an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern-day world, even if your interaction with a computer remains on YouTube videos. That may save you a lot of time and money which you would certainly spend while seeking a fixing guide.

Trojan-Ransom.Win32.Surtr malware technical details

File Info:

name: B77514E86366E4AC9D62.mlw
path: /opt/CAPEv2/storage/binaries/66d93b00e10a17442c623de8f54223975196d69663f2101a1966db18f9317948
crc32: D4EA0F4A
md5: b77514e86366e4ac9d62dd4eaa97d52c
sha1: c4c1c0108cd7b1a1e2009abc4b12e9791e36db27
sha256: 66d93b00e10a17442c623de8f54223975196d69663f2101a1966db18f9317948
sha512: da0e664dbea5f8c9105db8010dfc15c6ff510e11c8ff93e8808c717187dd9af9a92c7cd97885674fd0e4a0d48dd30822c7b6f2a30a94cebb7dc315be0290dd90
ssdeep: 6144:1953IqyEtyYa7I7f/psEpxC4p7mu+C5zVvRYTK4XRaWXHjhHQtaE4Yle:1953BdL/pH/CTEzVvm24XRaW3dwR4Yle
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T13874021475D1C0B3D4B2383949A0DBE15E7DFA705E649FAFB78815394F302C0DA2ADAA
sha3_384: 5cf659cb7b0fee5de3bb5f0f98b542bc38cf16d281faac4ce93b8e339911211bb5de41e96508f7065e1c2379ac55196b
ep_bytes: e8c5030000e974feffff558bec6a00ff
timestamp: 2021-12-05 17:43:26

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Surtr also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38880365
FireEyeGeneric.mg.b77514e86366e4ac
McAfeeRDN/Ransom
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.22101
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0058d4b51 )
AlibabaTrojan:Win32/DelShad.7f82a1eb
K7GWTrojan ( 0058d4b51 )
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/Filecoder.NHQ
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan-Ransom.Win32.Surtr.gen
BitDefenderTrojan.GenericKD.38880365
AvastWin32:RansomX-gen [Ransom]
TencentMalware.Win32.Gencirc.11e8236c
Ad-AwareTrojan.GenericKD.38880365
EmsisoftTrojan.GenericKD.38880365 (B)
ComodoMalware@#vdxs2b6uu8va
TrendMicroTROJ_GEN.R002C0RAL22
McAfee-GW-EditionBehavesLike.Win32.Tool.fc
SophosMal/Generic-S + Mal/Wonton-S
SentinelOneStatic AI – Malicious PE
GDataTrojan.GenericKD.38880365
AviraHEUR/AGEN.1237799
Antiy-AVLTrojan/Generic.ASMalwS.3511009
ZoneAlarmHEUR:Trojan-Ransom.Win32.Surtr.gen
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
AhnLab-V3Malware/Win.RansomX-gen.C4925775
BitDefenderThetaGen:NN.ZexaF.34232.vuZ@ae1z0kmi
ALYacTrojan.GenericKD.38880365
MAXmalware (ai score=83)
VBA32Trojan.DelShad
MalwarebytesRansom.FileCryptor
TrendMicro-HouseCallTROJ_GEN.R002C0RAL22
RisingTrojan.DelShad!8.107D7 (CLOUD)
YandexTrojan.DelShad!FES7UEsfdBQ
IkarusTrojan.Win32.Pterodo
FortinetW32/Filecoder.NHQ!tr.ransom
AVGWin32:RansomX-gen [Ransom]
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan-Ransom.Win32.Surtr?

Trojan-Ransom.Win32.Surtr malware is incredibly hard to eliminate manually. It stores its data in a variety of places throughout the disk, and can get back itself from one of the parts. In addition, numerous modifications in the windows registry, networking configurations and also Group Policies are pretty hard to identify and change to the initial. It is far better to make use of a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus elimination purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated just about every hour. Additionally, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for clearing away malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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