What is PWS:Win32/Zbot!GOA infection?

In this post you will certainly find concerning the interpretation of PWS:Win32/Zbot!GOA and its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by on-line fraudulences to require paying the ransom by a victim.

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Most of the instances, PWS:Win32/Zbot!GOA infection will certainly instruct its sufferers to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has presented to the victim’s device.

PWS:Win32/Zbot!GOA Summary

These modifications 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.
  • Compression (or decompression);
  • 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;
  • 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.

  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the target’s hard disk — so the victim can no more utilize the data;
  • Preventing routine accessibility 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 whereby PWS:Win32/Zbot!GOA are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a source that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s PC or avoid the device from operating in an appropriate manner – while additionally placing a ransom note that mentions the demand for the targets to impact the payment for the purpose of decrypting the records or restoring the documents system back to the initial problem. In most circumstances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually currently been harmed.

PWS:Win32/Zbot!GOA distribution channels.

In different edges of the world, PWS:Win32/Zbot!GOA grows by leaps and bounds. However, the ransom notes and tricks of extorting the ransom quantity might differ depending upon particular regional (regional) settings. The ransom notes and methods of obtaining the ransom quantity might vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the sufferer’s device. The sharp then requires the customer to pay the ransom.

    Faulty declarations about unlawful material.

    In countries where software piracy is less preferred, this technique is not as reliable for the cyber scams. Conversely, the PWS:Win32/Zbot!GOA popup alert might incorrectly assert to be deriving from a police institution and will certainly report having located child pornography or various other illegal data on the device.

    PWS:Win32/Zbot!GOA popup alert may wrongly declare to be acquiring from a legislation enforcement institution as well as will report having located child pornography or other unlawful data on the gadget. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 86E75CE3
md5: 09a4408381b4f03f7c2fbdb9a28c992d
name: 09A4408381B4F03F7C2FBDB9A28C992D.mlw
sha1: 850c1c4e01133383bbb865aea6e9167e31a344f2
sha256: 835b21b8042fb7bfec588915d524edd8b96caad52401812590ed370f8d95835c
sha512: 1521a1dc2df06751865c0a3ac0a989d70d8474ccf48d6464194387bf7a0bb7f6fab083722fab6538dc324b75e18261ec9e915c0ad43d720695e4156528d1d538
ssdeep: 6144:YnT5ogIxM7/JnIbEFdwzOieKizwVFeYmmwND6rexzF:uT5hIGJIAFdwzO4ih6rexh
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2014
InternalName: KlbRJUE
FileVersion: 1, 0, 0, 1
CompanyName: Discordia Limited
ProductName: Microsoft YjuRFBdUFSY
ProductVersion: 1, 0, 0, 1
FileDescription: hMhIwYbGn
OriginalFilename: sGlxiiYHu.exe
Translation: 0x0419 0x04b0

PWS:Win32/Zbot!GOA also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.5676
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanRansom.Crowti.B4
ALYac Gen:Variant.LockyT.1
Cylance Unsafe
Zillya Trojan.Yakes.Win32.24392
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.381b4f
Cyren W32/Locky.N.gen!Eldorado
Symantec Trojan.Zbot
ESET-NOD32 Win32/Spy.Zbot.AAU
Zoner Trojan.Win32.26670
APEX Malicious
Avast Win32:Dorder-B [Trj]
Kaspersky Trojan.Win32.Yakes.sxa
BitDefender Gen:Variant.LockyT.1
MicroWorld-eScan Gen:Variant.LockyT.1
Tencent Malware.Win32.Gencirc.114b0a2b
Ad-Aware Gen:Variant.LockyT.1
Sophos ML/PE-A + Troj/ZBot-IZF
BitDefenderTheta Gen:NN.ZexaF.34628.uq3@aCrYztDk
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.fc
Emsisoft Gen:Variant.LockyT.1 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.98950
eGambit Unsafe.AI_Score_99%
Microsoft PWS:Win32/Zbot!GOA
Arcabit Trojan.LockyT.1
GData Gen:Variant.LockyT.1
TACHYON Trojan/W32.Yakes.327887
AhnLab-V3 Trojan/Win32.Zbot.R120810
McAfee PWSZbot-FADF!09A4408381B4
MAX malware (ai score=80)
VBA32 Trojan.Yakes
Malwarebytes Spyware.Zbot.VXGen
Panda Trj/Genetic.gen
Rising Malware.Heuristic!ET#89% (RDMK:cmRtazpksFUhc1KyQrZd39vkNGvf)
Yandex Trojan.Yakes!ahWvTZkUhSg
Fortinet W32/Deshacop.XO!tr
AVG Win32:Dorder-B [Trj]
Qihoo-360 HEUR/QVM07.1.F6C0.Malware.Gen

How to remove PWS:Win32/Zbot!GOA 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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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!GOA 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 PWS:Win32/Zbot!GOA 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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