PWS:Win32/Zbot!ZA

What is PWS:Win32/Zbot!ZA infection?

In this short article you will locate about the definition of PWS:Win32/Zbot!ZA and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by on-line frauds to require paying the ransom by a sufferer.

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Most of the situations, PWS:Win32/Zbot!ZA virus will certainly instruct its targets to initiate funds transfer for the function of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s tool.

PWS:Win32/Zbot!ZA 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s disk drive — so the target can no more use the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

PWS:Win32/Zbot!ZA

The most regular networks whereby PWS:Win32/Zbot!ZA are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a resource that organizes a malicious software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or stop the tool from working in a proper way – while also positioning a ransom note that discusses the requirement for the targets to impact the settlement for the purpose of decrypting the documents or bring back the documents system back to the initial condition. In most instances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has currently been harmed.

PWS:Win32/Zbot!ZA circulation networks.

In different edges of the globe, PWS:Win32/Zbot!ZA expands by leaps as well as bounds. However, the ransom notes as well as tricks of obtaining the ransom money quantity may vary relying on certain regional (local) setups. The ransom money notes and techniques of extorting the ransom money amount might differ depending on particular neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having found some unlicensed applications enabled on the victim’s tool. The alert after that requires the user to pay the ransom money.

    Faulty statements regarding unlawful web content.

    In countries where software program piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Alternatively, the PWS:Win32/Zbot!ZA popup alert might incorrectly declare to be stemming from a police organization and will certainly report having located youngster pornography or various other illegal data on the device.

    PWS:Win32/Zbot!ZA popup alert may incorrectly claim to be deriving from a law enforcement institution and also will report having situated kid porn or various other illegal information on the gadget. The alert will similarly include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 02E8CD29
md5: d672be6aa288304251e7c8fc6b7ecc10
name: D672BE6AA288304251E7C8FC6B7ECC10.mlw
sha1: 1569f5a14bd7afc9d730f1b6513a5bde48ceee95
sha256: 3141a4e28420e8526d6324df408e65fef341e9bd0b001619716e9b20c40c4fc8
sha512: ade71e8591849d7cb6e862f6f40b117642a5b480dca5c8f7244f58b96ba94a3338e175c14694db543cd035819f32ea5fbf5b01aab7df15dfc30cdf5c9a389bac
ssdeep: 12288:AVLZTLqZQA0EHc8S2ZQvtnqS5vO4yNml3n/X243:eZTLqZQA0UckZQvwSQ4yOT3
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

PWS:Win32/Zbot!ZA also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Spyware ( 00009b291 )
DrWeb Trojan.PWS.Panda.786
Cynet Malicious (score: 100)
ALYac Gen:Heur.Ransom.Cerber.2
Cylance Unsafe
Zillya Trojan.Zbot.Win32.150728
CrowdStrike win/malicious_confidence_90% (D)
K7GW Spyware ( 00009b291 )
Cybereason malicious.aa2883
ESET-NOD32 Win32/Spy.Zbot.YW
APEX Malicious
TotalDefense Win32/Zbot.eVKUZMD
Avast Win32:Agent-ASYI [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Ransom.Cerber.2
NANO-Antivirus Trojan.Win32.Zbot.dxkubk
MicroWorld-eScan Gen:Heur.Ransom.Cerber.2
Tencent Malware.Win32.Gencirc.114bae0d
Ad-Aware Gen:Heur.Ransom.Cerber.2
Sophos ML/PE-A + Troj/Zbot-IAQ
BitDefenderTheta Gen:NN.ZexaF.34628.PGX@amiIMtgi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.jh
FireEye Generic.mg.d672be6aa2883042
Emsisoft Gen:Heur.Ransom.Cerber.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.Zbot.ecuy
Avira TR/Spy.Zbot.rqln
Microsoft PWS:Win32/Zbot!ZA
Arcabit Trojan.Ransom.Cerber.2
GData Gen:Heur.Ransom.Cerber.2
TACHYON Trojan-Spy/W32.ZBot.676864.O
AhnLab-V3 Trojan/Win32.Zbot.R102767
McAfee Agent-FCX!D672BE6AA288
MAX malware (ai score=81)
VBA32 TrojanSpy.Zbot
Rising Trojan.Spy.Win32.Zbot.giy (CLASSIC)
Ikarus Trojan-PWS.Win32.Zbot.Y
Fortinet W32/Zbot.IAQ!tr
AVG Win32:Agent-ASYI [Trj]
Qihoo-360 HEUR/QVM20.1.191B.Malware.Gen

How to remove PWS:Win32/Zbot!ZA virus?

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!ZA 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!ZA 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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