Trojan:Win32/Glupteba.KM!MTB

Written by Robert Bailey

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

In this post you will find about the meaning of Trojan:Win32/Glupteba.KM!MTB as well as its unfavorable effect on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to demand paying the ransom money by a target.

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In the majority of the instances, Trojan:Win32/Glupteba.KM!MTB ransomware will advise its sufferers to launch funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the victim’s tool.

Trojan:Win32/Glupteba.KM!MTB Summary

These adjustments can be as adheres to:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Expresses interest in specific running processes;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Serbian;
  • 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;
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Detects VirtualBox through the presence of a device;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Glupteba.KM!MTB

The most typical networks whereby Trojan:Win32/Glupteba.KM!MTB Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a resource that hosts a malicious software;

As soon as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or prevent the device from working in a proper way – while likewise putting a ransom note that points out the requirement for the sufferers to effect the settlement for the objective of decrypting the records or bring back the file system back to the first problem. In many instances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has currently been damaged.

Trojan:Win32/Glupteba.KM!MTB circulation channels.

In various corners of the globe, Trojan:Win32/Glupteba.KM!MTB expands by leaps and bounds. However, the ransom notes and also techniques of extorting the ransom quantity might vary relying on particular local (regional) setups. The ransom money notes as well as tricks of obtaining the ransom quantity may vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually found some unlicensed applications enabled on the victim’s gadget. The alert then requires the user to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software piracy is less preferred, this method is not as efficient for the cyber frauds. Additionally, the Trojan:Win32/Glupteba.KM!MTB popup alert might wrongly claim to be originating from a police institution and will certainly report having located kid porn or various other prohibited data on the device.

    Trojan:Win32/Glupteba.KM!MTB popup alert might incorrectly assert to be deriving from a law enforcement institution and also will certainly report having situated youngster pornography or various other unlawful data on the gadget. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: EC7C9469
md5: e8e9b6ccd64c66511d89f8da2f9c7f47
name: E8E9B6CCD64C66511D89F8DA2F9C7F47.mlw
sha1: c5dd7ecdcf6792323ba081aeec91a63d1466d9ee
sha256: 2efa713408b7d1d49b178487e7ad715811f290d92bf5218f1f259df0c0324103
sha512: c9e7fc07a57650206b2d5a82415ded78a83018891813879de16bb86c99c4a89911a7785565e41f7b486feac2cbab0c654cd2607df2c42d43ed99466f2de52603
ssdeep: 98304:v4ZRYr+R+ezduYT9LpF6PPgRvdivyO4z2dn7QuTGbYB3nTBZYSb7OB1G1/vfNiq:v4ZRYenxF0sMt3T7OnGBXNi2elSVd1u
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalName: triwilbifor.occ
FileVersion: 6.26.341
Copyright: Copyrighz (C) 2020, wodkagude
ProductVersion: 1.13.21
TranslationUsa: 0x0173 0x00dc

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

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45454247
FireEye Generic.mg.e8e9b6ccd64c6651
McAfee GenericRXAA-AA!E8E9B6CCD64C
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Malicious.4!c
Sangfor Malware
K7AntiVirus Trojan ( 005761dd1 )
BitDefender Trojan.GenericKD.45454247
K7GW Trojan ( 005761dd1 )
Cybereason malicious.dcf679
Cyren W32/Trojan.ZLHI-2480
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Dropper.Glupteba-9819602-0
Kaspersky Trojan.Win32.Eb.bne
Alibaba Trojan:Win32/Glupteba.6b8e9717
Rising Trojan.Kryptik!1.D106 (CLASSIC)
Ad-Aware Trojan.GenericKD.45454247
Sophos Mal/Generic-S
Comodo Malware@#3eyyjokhjdv5b
F-Secure Trojan.TR/AD.GoCloudnet.avuwq
Zillya Trojan.Zenpak.Win32.5522
TrendMicro TROJ_GEN.R002C0WAG21
McAfee-GW-Edition BehavesLike.Win32.Ransomware.rc
Emsisoft Trojan.GenericKD.45454247 (B)
Ikarus Trojan.SuspectCRC
Webroot W32.Trojan.Gen
Avira TR/AD.GoCloudnet.avuwq
MAX malware (ai score=89)
Microsoft Trojan:Win32/Glupteba.KM!MTB
Gridinsoft Trojan.Win32.Packed.oa
Arcabit Trojan.Generic.D2B593A7
ZoneAlarm Trojan.Win32.Eb.bne
GData Trojan.GenericKD.45454247
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C4298383
BitDefenderTheta Gen:NN.ZexaF.34780.@pKfa0EqSemG
VBA32 BScope.Trojan.Caynamer
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/GdSda.A
ESET-NOD32 a variant of Generik.GYWZSCR
TrendMicro-HouseCall TROJ_GEN.R002C0WAG21
Tencent Win32.Trojan.Eb.Anpp
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HIRY!tr
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_80% (D)
Qihoo-360 Win32/Trojan.f44

How to remove Trojan:Win32/Glupteba.KM!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.KM!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.KM!MTB you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

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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