What is Spyware.Zbot infection?

In this article you will locate about the definition of Spyware.Zbot as well as its unfavorable effect on your computer. Such ransomware are a form of malware that is clarified by online fraudulences to require paying the ransom money by a target.

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In the majority of the instances, Spyware.Zbot infection will instruct its victims to initiate funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s device.

Spyware.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.
  • A process attempted to delay the analysis task.;
  • 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.

  • A process created a hidden window;
  • 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;
  • Attempts to delete volume shadow copies;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A system process is generating network traffic likely as a result of process injection;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Appends a known multi-family ransomware file extension to files that have been encrypted;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the sufferer’s hard drive — so the sufferer can no more use the information;
  • Preventing regular access 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 regular networks through which Spyware.Zbot Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of customer winding up on a source that hosts a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the information on the sufferer’s PC or protect against the tool from functioning in a proper fashion – while likewise putting a ransom money note that points out the requirement for the targets to effect the payment for the objective of decrypting the files or restoring the file system back to the initial problem. In a lot of instances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has already been damaged.

Spyware.Zbot circulation channels.

In various edges of the world, Spyware.Zbot grows by jumps and bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money amount might vary depending on particular regional (local) settings. The ransom notes and also tricks of extorting the ransom quantity might vary depending on specific regional (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the victim’s gadget. The sharp then demands the customer to pay the ransom money.

    Faulty statements about unlawful material.

    In nations where software application piracy is much less preferred, this technique is not as effective for the cyber frauds. Conversely, the Spyware.Zbot popup alert may falsely declare to be originating from a police organization as well as will certainly report having situated youngster pornography or various other prohibited data on the tool.

    Spyware.Zbot popup alert may wrongly assert to be deriving from a regulation enforcement establishment and also will report having situated kid porn or various other illegal data on the device. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 0B587DB9
md5: d95bf36c4edf480fe9fd208e44c72be4
name: D95BF36C4EDF480FE9FD208E44C72BE4.mlw
sha1: d299b3ab71e13be64d6039647d1186735e4eb5e8
sha256: ad9692b0d589faf72121e4c390138dfe872fe913f73dd1edb699e60bab38f875
sha512: 75a2ef850d8dda489bf099723b72574cb2e07ed2ef48e0191e76ba3654ca40dbe77e1d6e28419c553265afd0d0346341a9c8ea6b1870dec29e567de4dfdb2f32
ssdeep: 6144:E+XEobsboTgyKZfrw1QprywECLowueNBUfe1D+MIHdxmCfgpUR4cXYQvfG5Bin:EUkyKZ01wvqm1DnIHdxmCfr4cHfG5BM
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0407 0x04b0

Spyware.Zbot also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004db5eb1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.1932
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanPWS.Zbot.A4
ALYac Trojan.Ransom.cryptolocker
Cylance Unsafe
Zillya Trojan.Rack.Win32.1
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Teerac.6dca0cda
K7GW Trojan ( 004db5eb1 )
Cybereason malicious.c4edf4
Cyren W32/Backdoor.GODK-2830
Symantec Ransom.TorrentLocker
ESET-NOD32 Win32/Filecoder.NBS
Zoner Trojan.Win32.24046
APEX Malicious
Avast Win32:Crypt-REG [Trj]
ClamAV Win.Trojan.CryptoLocker-1
Kaspersky Trojan-Ransom.Win32.Rack.bq
BitDefender Trojan.Spy.Zbot.FLG
NANO-Antivirus Trojan.Win32.Stealer.efhguj
ViRobot Trojan.Win32.S.Zbot.360448.AB
SUPERAntiSpyware Trojan.Agent/Gen-Zbot
MicroWorld-eScan Trojan.Spy.Zbot.FLG
Tencent Win32.Trojan.Rack.Wrqh
Ad-Aware Trojan.Spy.Zbot.FLG
Sophos ML/PE-A + Troj/Ransom-AIE
Comodo TrojWare.Win32.VirTool.CeeInject.KRZX@5pl59b
BitDefenderTheta Gen:NN.ZexaF.34670.wq0@aicmJKu
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Emotet.fc
FireEye Generic.mg.d95bf36c4edf480f
Emsisoft Trojan.Spy.Zbot.FLG (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Rack.b
Webroot W32.Rogue.Gen
Avira TR/Crilock.360448
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Teerac.A
Arcabit Trojan.Spy.Zbot.FLG
AegisLab Trojan.Win32.Rack.j!c
GData Win32.Trojan.Agent.CGK3S3
TACHYON Ransom/W32.Rack.360448
AhnLab-V3 Trojan/Win32.Zbot.R108173
McAfee Generic.rs
MAX malware (ai score=100)
VBA32 Hoax.Rack
Malwarebytes Spyware.Zbot
Panda Trj/WLT.A
Rising Trojan.Win32.Teerac.bj (CLOUD)
Yandex Trojan.Rack!DsXuIgyBqRI
Ikarus Trojan-Ransom.Rack
Fortinet W32/Krypt.DE!tr
AVG Win32:Crypt-REG [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Zbot.HxQBHoEA

How to remove Spyware.Zbot 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 Spyware.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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Spyware.Zbot you can always ask me in the comments for getting help.

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  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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