Written by Robert Bailey

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

In this short article you will certainly locate about the definition of Trojan:Win32/Glupteba.NB!MTB and its adverse influence on your computer. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom by a victim.

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Most of the cases, Trojan:Win32/Glupteba.NB!MTB infection will certainly advise its sufferers to initiate funds move for the objective of counteracting the changes that the Trojan infection has actually presented to the target’s gadget.

Trojan:Win32/Glupteba.NB!MTB Summary

These alterations can be as follows:

  • 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: Maori;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Ciphering the records found on the victim’s hard drive — so the victim can no more utilize the data;
  • Preventing regular accessibility to the victim’s workstation;


The most typical channels where Trojan:Win32/Glupteba.NB!MTB Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a harmful software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or avoid the gadget from functioning in a correct fashion – while additionally putting a ransom money note that discusses the need for the victims to effect the repayment for the function of decrypting the documents or restoring the data system back to the first problem. In most circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Glupteba.NB!MTB circulation networks.

In different corners of the globe, Trojan:Win32/Glupteba.NB!MTB expands by leaps and also bounds. However, the ransom money notes as well as methods of extorting the ransom money amount might vary depending upon particular regional (regional) setups. The ransom money notes and also techniques of obtaining the ransom amount might vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In specific areas, the Trojans commonly wrongfully report having actually found some unlicensed applications enabled on the victim’s device. The sharp then demands the individual to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In nations where software program piracy is less prominent, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Glupteba.NB!MTB popup alert might falsely assert to be deriving from a police institution as well as will certainly report having located child porn or various other prohibited data on the gadget.

    Trojan:Win32/Glupteba.NB!MTB popup alert might falsely assert to be obtaining from a legislation enforcement institution and will certainly report having located kid porn or various other illegal data on the device. The alert will likewise consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 678B4AE0
md5: a5c748ee74529e923bab347a71c819b7
name: A5C748EE74529E923BAB347A71C819B7.mlw
sha1: 624f8c216fb2a0e1bd20f06af554440e82679163
sha256: d6991440147b40aefeaa9b4e268091f166ef85c0a30139cda89127b30c959489
sha512: d5c9e8ef5972cd8d1833e06e6e87ab5568d089d25c3e2bc2af072d1862d6b9437f01acf73bc58b27b1dc9e3fda0e3fec831c35b4016d1e8cbe25516f058f034f
ssdeep: 6144:GHr3iMCEALzUwzTy/adUEID/SGD/WczWZRIL5ylPZcWgpYRirGDb:GjiM6EwzW0vIXWcCa5yBZvxP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translations: 0x0426 0x033d

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.Stop.18
CAT-QuickHeal Trojanpws.Tepfer
ALYac Gen:Variant.Ransom.Stop.18
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Hacktool.Win32.ShellCode.3!c
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.Ransom.Stop.18
K7GW Trojan ( 0057430c1 )
K7AntiVirus Trojan ( 0057430c1 )
Cyren W32/Kryptik.COL.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
ClamAV Win.Dropper.Glupteba-9803128-0
Kaspersky HEUR:Exploit.Win32.ShellCode.Agent.pef
Alibaba TrojanPSW:Win32/Glupteba.d4cc8ab7
NANO-Antivirus Trojan.Win32.Tepfer.icrrvt
Rising Trojan.Kryptik!1.CFD5 (CLASSIC)
Ad-Aware Gen:Variant.Ransom.Stop.18
Sophos Mal/Generic-S
Comodo Malware@#jf4rm3y3z5em
F-Secure Trojan.TR/Crypt.Agent.lkubm
Zillya Exploit.Shellcode.Win32.23
TrendMicro TROJ_GEN.R067C0DL720
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
Emsisoft Gen:Variant.Ransom.Stop.18 (B)
Ikarus Trojan.Win32.Ranumbot
Jiangmin Trojan.Generic.ectdd
Avira TR/Crypt.Agent.lkubm
MAX malware (ai score=85)
Microsoft Trojan:Win32/Glupteba.NB!MTB
Arcabit Trojan.Ransom.Stop.18
ZoneAlarm HEUR:Exploit.Win32.ShellCode.Agent.pef
GData Gen:Variant.Ransom.Stop.18
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Kryptik.R357380
Acronis suspicious
McAfee Lockbit-FSWW!A5C748EE7452
VBA32 Trojan.Glupteba
Malwarebytes Glupteba.Backdoor.Bruteforce.DDS
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.HHYY
TrendMicro-HouseCall TROJ_GEN.R067C0DL720
Tencent Win32.Exploit.Shellcode.Lnxv
SentinelOne Static AI – Malicious PE
Fortinet W32/Ranumbot.ECE2!tr
BitDefenderTheta Gen:NN.ZexaF.34804.vu0@ai!tvokO
AVG Win32:DropperX-gen [Drp]
Qihoo-360 Win32/Trojan.PSW.a4a

How to remove Trojan:Win32/Glupteba.NB!MTB virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Glupteba.NB!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.NB!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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