What is Trojan:Win32/Glupteba.NK!MTB infection?

In this article you will certainly discover about the definition of Trojan:Win32/Glupteba.NK!MTB and its adverse influence on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to require paying the ransom by a sufferer.

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In the majority of the situations, Trojan:Win32/Glupteba.NK!MTB ransomware will certainly instruct its sufferers to start funds move for the function of neutralizing the modifications that the Trojan infection has introduced to the victim’s device.

Trojan:Win32/Glupteba.NK!MTB Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Unconventionial language used in binary resources: Norwegian (Nynorsk);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk — so the victim can no longer utilize the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most common networks where Trojan:Win32/Glupteba.NK!MTB Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a source that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or stop the device from working in a correct manner – while additionally putting a ransom note that mentions the need for the sufferers to impact the repayment for the function of decrypting the documents or bring back the documents system back to the first condition. In most instances, the ransom money note will certainly turn up when the client restarts the PC after the system has currently been damaged.

Trojan:Win32/Glupteba.NK!MTB distribution networks.

In numerous edges of the globe, Trojan:Win32/Glupteba.NK!MTB grows by jumps and bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money amount might vary relying on specific local (local) setups. The ransom notes and techniques of extorting the ransom amount may vary depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the target’s tool. The alert then demands the user to pay the ransom.

    Faulty statements concerning illegal content.

    In nations where software application piracy is much less popular, this method is not as reliable for the cyber scams. Additionally, the Trojan:Win32/Glupteba.NK!MTB popup alert might wrongly assert to be stemming from a law enforcement institution as well as will report having located youngster pornography or other prohibited information on the device.

    Trojan:Win32/Glupteba.NK!MTB popup alert may wrongly declare to be deriving from a law enforcement organization and also will report having located child pornography or other unlawful data on the tool. The alert will likewise include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 2286F8CE
md5: 70b591a72fd31527c9c89e36625cefe9
name: 70B591A72FD31527C9C89E36625CEFE9.mlw
sha1: 423fe658bc2d65ba595c460177438bf94f9b4edf
sha256: 807ba89d095a8f641a35ed199f2a72404b61000f5d08764ee9f4b24cbc47623b
sha512: eab5e07c07185f6aeca04dead288fcd55844e88cf8b8e079a5bf0c6a210ab2601c12cdd0f724c2e091fe7a2340f3d97b774acf305ae2a99d5444aa9ae1db8071
ssdeep: 6144:bdkD7zKYKoA5YlfRsGsW7x8W7PFCoeTt+rao8Xh+EY4IUTDhajA0My/:bdZrYliGsWV8W7FCXRcCkEY4CU0My
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalName: triwylbifes.acs
FileVers: 26.26.361
Copyright: Copyrighz (C) 2020, pagkafug
TranslationUsa: 0x0772 0x0089

Trojan:Win32/Glupteba.NK!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.35706161
ALYac Trojan.GenericKD.35706161
Sangfor Malware
K7AntiVirus Trojan ( 005749c41 )
BitDefender Trojan.GenericKD.35706161
K7GW Trojan ( 005749c41 )
Cybereason malicious.8bc2d6
BitDefenderTheta Gen:NN.ZexaF.34700.xmKfamXBNziG
Cyren W32/Kryptik.CRY.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HIFB
APEX Malicious
Avast Win32:PWSX-gen [Trj]
ClamAV Win.Packed.Bulz-9808185-0
Kaspersky Trojan-Spy.Win32.Stealer.vbw
Alibaba Trojan:Win32/Glupteba.4571d1c4
ViRobot Trojan.Win32.Z.Wacatac.382464.A
AegisLab Trojan.Multi.Generic.4!c
Ad-Aware Trojan.GenericKD.35706161
Emsisoft Trojan.GenericKD.35706161 (B)
F-Secure Trojan.TR/Crypt.Agent.bppyr
DrWeb Trojan.DownLoader36.28337
McAfee-GW-Edition BehavesLike.Win32.RansomGandCrab.fc
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira TR/Crypt.Agent.bppyr
MAX malware (ai score=88)
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Glupteba.NK!MTB
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Generic.D220D531
AhnLab-V3 Trojan/Win32.Glupteba.R357746
ZoneAlarm Trojan-Spy.Win32.Stealer.vbw
GData Trojan.GenericKD.35706161
Cynet Malicious (score: 100)
Acronis suspicious
McAfee RDN/Generic.tfr
VBA32 Trojan.Glupteba
Malwarebytes Trojan.MalPack
Panda Trj/GdSda.A
Rising Trojan.Kryptik!8.8 (TFE:5:qHrHUYjLAeR)
Yandex TrojanSpy.Stealer!/z9DS4TtQq8
Ikarus Trojan-Spy.Win32.SpyEyes
eGambit Unsafe.AI_Score_85%
Fortinet W32/Kryptik.HHJI!tr
AVG Win32:PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Generic/HEUR/QVM11.1.EA57.Malware.Gen

How to remove Trojan:Win32/Glupteba.NK!MTB ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Glupteba.NK!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Trojan:Win32/Glupteba.NK!MTB you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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