What is Win32/Spy.Zbot.JF infection?

In this post you will find about the definition of Win32/Spy.Zbot.JF and also its adverse influence on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a target.

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Most of the situations, Win32/Spy.Zbot.JF virus will advise its sufferers to start funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the victim’s device.

Win32/Spy.Zbot.JF Summary

These modifications can be as follows:

  • 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.
  • Unconventionial language used in binary resources: Icelandic;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard disk — so the target can no more utilize the information;
  • Preventing normal 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 typical networks where Win32/Spy.Zbot.JF Trojans are injected are:

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

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or prevent the gadget from working in a proper fashion – while likewise putting a ransom money note that points out the requirement for the targets to effect the settlement for the function of decrypting the documents or recovering the data system back to the first condition. In many circumstances, the ransom money note will certainly show up when the client restarts the PC after the system has actually already been harmed.

Win32/Spy.Zbot.JF circulation networks.

In different edges of the globe, Win32/Spy.Zbot.JF expands by leaps and also bounds. Nevertheless, the ransom notes as well as methods of obtaining the ransom amount might differ depending on certain local (regional) setups. The ransom notes and methods of extorting the ransom money amount may vary depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the target’s device. The sharp then demands the customer to pay the ransom.

    Faulty statements regarding illegal content.

    In nations where software application piracy is less prominent, this technique is not as effective for the cyber fraudulences. Alternatively, the Win32/Spy.Zbot.JF popup alert might falsely claim to be originating from a police institution as well as will report having situated kid porn or various other prohibited data on the gadget.

    Win32/Spy.Zbot.JF popup alert might falsely declare to be obtaining from a regulation enforcement institution and also will certainly report having located child porn or other illegal information on the tool. The alert will likewise include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: DCBC0751
md5: b699edb7a4c55f114f1a5dd547de33f0
name: B699EDB7A4C55F114F1A5DD547DE33F0.mlw
sha1: 451888baf2f82a5a047753940a0ee16799db74f6
sha256: 9a13f74892f7741ce9513970e7eedf2c6a7542cb362deb7c9bde4d2d6dc843a0
sha512: 6146a290a67bdda32776889955ace4f53aa4cd61b78e55d35cec7661ac24c4efd1c3d306732c2f4f5c9e26267147206fdfbd348a0cb669b3093649587697a0c5
ssdeep: 6144:e4rr6WMbp4Bov7EAS1JBEIz2/iu9GpBIXUEMpEEOhG1TMC:1eWMPK14tkbIXUEMaMTMC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Spy.Zbot.JF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Spyware ( 0055e3db1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.31
Cynet Malicious (score: 100)
McAfee PWS-Zbot.gen.afh
Cylance Unsafe
Zillya Trojan.XBlocker.Win32.910
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanPSW:Win32/Obfuscator.cb2a1f7f
K7GW Spyware ( 0055e3db1 )
Cybereason malicious.7a4c55
Cyren W32/Trojan.IYLJ-1333
Symantec W32.Pilleuz!gen6
ESET-NOD32 Win32/Spy.Zbot.JF
APEX Malicious
Avast Win32:MalOb-AT [Cryp]
ClamAV Win.Trojan.Xblocker-50
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Kelios.1
NANO-Antivirus Trojan.Win32.Zbot.bdfmc
MicroWorld-eScan Gen:Heur.Kelios.1
Tencent Win32.Trojan.Xblocker.Pgcv
Ad-Aware Gen:Heur.Kelios.1
Sophos ML/PE-A + Mal/FakeAV-BT
Comodo MalCrypt.Indus!@1qrzi1
BitDefenderTheta Gen:NN.ZexaF.34628.uqZ@aGlc9oaK
VIPRE VirTool.Win32.Obfuscator.hg!a (v)
McAfee-GW-Edition BehavesLike.Win32.ZBot.fc
Emsisoft Gen:Heur.Kelios.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Generic.zgr
Webroot W32.Infostealer.Zeus
Avira TR/Crypt.XPACK.Gen
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Blocker
Arcabit Trojan.Kelios.1
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Kelios.1
TACHYON Trojan/W32.Agent.339968.GG
AhnLab-V3 Trojan/Win32.FakeAV.R96
Acronis suspicious
VBA32 Trojan.ExpProc.014
MAX malware (ai score=100)
Malwarebytes MachineLearning/Anomalous.95%
Panda Generic Malware
TrendMicro-HouseCall TROJ_KRAP.SMFB
Rising Spyware.Zbot!8.16B (CLOUD)
Yandex Trojan.Meredrop!9rbZqXGkjRk
Ikarus Trojan-Ransom.XBlocker
MaxSecure Trojan.Malware.2017949.susgen
Fortinet W32/Zbot.NT!tr
AVG Win32:MalOb-AT [Cryp]
Qihoo-360 Win32/Trojan.Generic.HxQBHL8A

How to remove Win32/Spy.Zbot.JF 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 Win32/Spy.Zbot.JF 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 Win32/Spy.Zbot.JF 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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