PWS:Win32/Zbot

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is PWS:Win32/Zbot infection?

In this post you will certainly discover regarding the interpretation of PWS:Win32/Zbot as well as its negative effect on your computer. Such ransomware are a type of malware that is clarified by online fraudulences to require paying the ransom money by a sufferer.

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Most of the situations, PWS:Win32/Zbot ransomware will advise its targets to start funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the target’s tool.

PWS:Win32/Zbot Summary

These alterations can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • 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;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard disk drive — so the sufferer can no longer 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

The most normal networks whereby PWS:Win32/Zbot Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user ending up on a source that holds a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or prevent the device from operating in a proper manner – while additionally placing a ransom money note that discusses the demand for the targets to impact the repayment for the function of decrypting the files or recovering the documents system back to the first condition. In many instances, the ransom note will come up when the client reboots the COMPUTER after the system has already been damaged.

PWS:Win32/Zbot distribution networks.

In different corners of the globe, PWS:Win32/Zbot expands by jumps as well as bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom amount may differ depending upon particular regional (local) setups. The ransom money notes and methods of extorting the ransom money amount may vary depending on particular local (local) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software.

    In specific locations, the Trojans typically wrongfully report having actually found some unlicensed applications allowed on the sufferer’s tool. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations regarding prohibited content.

    In countries where software application piracy is less preferred, this approach is not as reliable for the cyber scams. Additionally, the PWS:Win32/Zbot popup alert might incorrectly assert to be deriving from a police establishment and will certainly report having situated child pornography or various other illegal data on the gadget.

    PWS:Win32/Zbot popup alert might falsely assert to be deriving from a regulation enforcement institution and will report having located child pornography or other prohibited information on the gadget. The alert will similarly have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 0DE3B0E1
md5: c49f7875fb17e83a933af241996f159a
name: C49F7875FB17E83A933AF241996F159A.mlw
sha1: cc54c06f8ebb051d201e75de2b0bbc7329331e23
sha256: 4da4f627c30045c8f84870abb3618ec05141a7ff76f7cd346c73dcd2cd846caa
sha512: 6d5253659d9ed344ccf50db85c1b17a418665f9503b85771159b9facef1369c8d68c9932d667783870280c6f4bcbe9e0afa595f5883e3aa5ce8f7ba38ca7961b
ssdeep: 12288:pqmZq25C0y+qM4wlR6Qb2p/hRrAR1inUcihIaiha:Nq25sClnap5A1iUcxai4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: AQQ Sp.
FileVersion: 2.4
CompanyName: AQQ Sp. z o.o.
LegalTrademarks: AQQ Sp. z1
ProductName: AQQ IMM
ProductVersion: 1.0.0.1
OriginalFilename: AQQSp.exe
Translation: 0x0409 0x04e4

PWS:Win32/Zbot also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
MicroWorld-eScan Gen:Variant.Ursu.920178
McAfee GenericRXDZ-EC!C49F7875FB17
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 004f32c81 )
BitDefender Gen:Variant.Ursu.920178
K7GW Trojan ( 004f32c81 )
Cybereason malicious.5fb17e
BitDefenderTheta Gen:NN.ZexaF.34590.Cu1@aKHpqBdi
Cyren W32/S-5217633b!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.FBEK
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.nxhk
NANO-Antivirus Trojan.Win32.Panda.ewusim
AegisLab Trojan.Win32.Generic.4!c
Tencent Win32.Trojan.Foreign.Syhz
Ad-Aware Gen:Variant.Ursu.920178
Emsisoft Gen:Variant.Ursu.920178 (B)
Comodo TrojWare.Win32.Zbot.EZXT@7tgdwr
F-Secure Heuristic.HEUR/AGEN.1112597
DrWeb Trojan.PWS.Panda.13211
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
FireEye Generic.mg.c49f7875fb17e83a
Sophos Mal/Generic-R + Mal/Ransom-EE
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1112597
MAX malware (ai score=98)
Antiy-AVL Trojan[Ransom]/Win32.Foreign
Microsoft PWS:Win32/Zbot
Arcabit Trojan.Ursu.DE0A72
AhnLab-V3 Spyware/Win32.Zbot.C2282440
ZoneAlarm Trojan-Ransom.Win32.Foreign.nxhk
GData Gen:Variant.Ursu.920178
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ursu.920178
Malwarebytes Malware.AI.3526434484
Panda Trj/GdSda.A
Rising [email protected] (RDML:eDPunJp1qlnGOowRMPYlJQ)
Yandex Trojan.Foreign!DMmwsxlb+v0
Ikarus Trojan-Ransom.Foreign
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.FCAB!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (D)
Qihoo-360 Win32/Backdoor.Zbot.J

How to remove PWS:Win32/Zbot 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 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 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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