Written by Robert Bailey

What is PWS:Win32/Zbot!MTB infection?

In this post you will find concerning the definition of PWS:Win32/Zbot!MTB as well as its unfavorable effect on your computer. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom by a sufferer.

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Most of the situations, PWS:Win32/Zbot!MTB ransomware will certainly instruct its sufferers to launch funds transfer for the function of neutralizing the amendments that the Trojan infection has presented to the sufferer’s tool.

PWS:Win32/Zbot!MTB Summary

These adjustments can be as complies with:

  • Executable code extraction;
  • Creates RWX memory;
  • The binary likely contains encrypted or compressed data.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the victim’s disk drive — so the target can no more make use of the information;
  • Preventing normal access to the victim’s workstation;

Related domains: Ransom.Kovter Ransom.Kovter


One of the most normal networks through which PWS:Win32/Zbot!MTB Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that hosts a harmful software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s PC or stop the tool from working in an appropriate fashion – while additionally placing a ransom note that discusses the demand for the sufferers to effect the repayment for the purpose of decrypting the documents or restoring the data system back to the initial condition. In many circumstances, the ransom money note will come up when the customer reboots the COMPUTER after the system has already been damaged.

PWS:Win32/Zbot!MTB circulation networks.

In various edges of the world, PWS:Win32/Zbot!MTB expands by jumps and also bounds. However, the ransom notes and also tricks of obtaining the ransom quantity may vary relying on specific regional (regional) setups. The ransom notes and tricks of extorting the ransom amount might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In particular locations, the Trojans often wrongfully report having found some unlicensed applications made it possible for on the sufferer’s gadget. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is less prominent, this method is not as reliable for the cyber frauds. Conversely, the PWS:Win32/Zbot!MTB popup alert might falsely claim to be deriving from a police organization and will certainly report having situated youngster porn or other prohibited information on the gadget.

    PWS:Win32/Zbot!MTB popup alert might wrongly assert to be acquiring from a law enforcement organization and will certainly report having situated kid pornography or various other prohibited information on the tool. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 8812560D
md5: 5fb572091c58721e7c152fa4ca66d215
name: 5FB572091C58721E7C152FA4CA66D215.mlw
sha1: 6ee683890358045636f4b4544847daf090522fad
sha256: 158a6fde1ff14aa2d833445547da59353226732041f129f7f5f6275eb2be22f4
sha512: ae7fb373151350aad0e8819a3de1518e07ca906aad02c57443cb4b908280c42f10bddfc5a096ef4c4b8ccf1cb0b392dfdce98aa921bac50e71c44a5cb5072aac
ssdeep: 3072:QyVuh1XWViVSBxykI0CDbjVpAT+Q562C4c/4cv3B:FuS8MqknIR6h562C3/3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: Copyright xa9 2001-2004 Glen Sawyer
InternalName: MP3GainGUI
FileVersion: 1.02.0005
CompanyName: Snelg Enterprises
ProductName: MP3Gain GUI
ProductVersion: 1.02.0005
FileDescription: MP3Gain GUI
OriginalFilename: MP3GainGUI.exe

PWS:Win32/Zbot!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0051e00a1 )
Lionic Trojan.Win32.Zbot.l!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen8.40548
Cynet Malicious (score: 100)
ALYac Trojan.Zbot.Gen
Cylance Unsafe
Zillya Trojan.Zbot.Win32.198494
Sangfor Trojan.Win32.Zbot.MTB
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanSpy:Win32/Kryptik.85a4833b
K7GW Trojan ( 0051e00a1 )
Cybereason malicious.91c587
Cyren W32/Trojan.NROE-5749
Symantec Ransom.Kovter
ESET-NOD32 a variant of Win32/Kryptik.FJBP
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Agent-1816980
Kaspersky Trojan-Spy.Win32.Zbot.ziua
BitDefender Gen:Variant.Zusy.210678
NANO-Antivirus Trojan.Win32.Kryptik.fghzay
ViRobot Trojan.Win32.S.Zbot.102400
MicroWorld-eScan Gen:Variant.Zusy.210678
Tencent Malware.Win32.Gencirc.114b1836
Ad-Aware Gen:Variant.Zusy.210678
Sophos Mal/Generic-S
Comodo Malware@#2hus68rfynw31
BitDefenderTheta Gen:NN.ZexaF.34266.gy0@aioBPOp
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Trojan-FKDU!5FB572091C58
Emsisoft Gen:Variant.Zusy.210678 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin TrojanSpy.Zbot.fogr
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1109543
Antiy-AVL Trojan/Generic.ASMalwS.1C2F92F
Kingsoft Win32.Troj.Zbot.xj.(kcloud)
Microsoft PWS:Win32/Zbot!MTB
GData Gen:Variant.Zusy.210678
TACHYON Trojan-Spy/W32.ZBot.102400.BV
AhnLab-V3 Dropper/Win32.Necurs.R189821
McAfee Trojan-FKDU!5FB572091C58
MAX malware (ai score=100)
VBA32 TrojanSpy.Zbot
Malwarebytes Malware.AI.4220816561
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_KRYPTIK.QGG
Rising Trojan.Generic@ML.98 (RDML:oEHFjhyghGN97D0T+3HPEg)
Yandex Trojan.GenAsa!bE3TjMpeJ8o
Ikarus Trojan.Win32.Krypt
Fortinet W32/Kryptik.FJBP!tr
AVG Win32:Trojan-gen

How to remove PWS:Win32/Zbot!MTB ransomware?

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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

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.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

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 PWS:Win32/Zbot!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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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