Home » Cybersecurity » How to remove Zbot (Virus Removal Guide)

How to remove Zbot (Virus Removal Guide)

Zbot (also known as Zues, Zues Bot, Zues Trojan, Zbot virus) is a malicious trojan horse computer worm that is known to infiltrate a computer running the Microsoft Windows operating system without user knowledge, hide on the infected computer system, and ultimately remain undetected to the average computer user. Zbot can be used to carry out many malicious tasks across a Windows computer, but it is more frequently used to steal banking information (passwords, account credentials) by man-in-the-browser keystroke logging and form grabbing and infecting computer systems with CryptoLocker ransomware, including Crytplocker v3.

The malicious Zbot trojan can be the culprit of many problems a computer user can face. Zbot is designed to steal personal information, including personally identifiable information, such as your name, home address, telephone number, geographic location, information users submit online, and more. The information collected by Zbot will be shared with various third-parties and cyber criminals and used in various schemes. The Zbot trojan can also be used as a door to introduce an infected computer to additional and more severe threats.

Furthermore, Zbot tracks computer users, can cause a computer system to become slow and sluggish or crash, and it can be used to update and maintain other malicious threats on a computer system.

The core purpose of Trojan.Zbot is to steal passwords. Once it has been contracted it will check Protected Storage (PStore) for stored passwords. It will specifically target passwords used for the Internet Explorer internet browser, as well as passwords for FTP and POP3 accounts.

A task (among many) Zbot uses is that it will delete cookies stored in Internet Explorer and other internet browsers. This will make the internet user log in to the websites they usually visit so Zbot can record the keystrokes.

How did Zbot get on my computer?

Zbot is primarily spread via drive-by-downloads directed through websites that host malware and exploit kits, as well as through various phishing scams, including email phishing scams. The Zbot virus usually infects a computer system without being noticed by the user. It remains hidden on a computer system without adequate real-time protection. Zbot is not only contracted through email spam and malicious email attachments, it can also arrive through compromised social media content, prohibited torrents, malicious advertisements, and malicious websites.

How to remove Zbot (Removal Guide)

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Step 1: Remove Zbot malware with Malwarebytes

We recommend that you write down the toll free number below in case you run into any issues or problems while removing this infection. Our techs will kindly assist you with any problems.

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1. Download and install the free or full version of Malwarebytes Anti-Malware. The full version enables real-time protection to block malware and unwanted programs from infecting your computer, while the free version is just a free scan and removal tool.

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2. Open the Malwarebytes Anti-Malware program.


3. Click the large Scan Now button or visit the “Scan” tab to manually run a scan.

Malwarebytes 2

4. Once the malware scan is complete, click the Remove Selected button and reboot your computer.

If you are still having issues with malware it is recommended to download and install a second opinion scanner such as HitmanPro by Surfright to eradicate existing malicious files and automatically repair corrupted settings.

Step 2: Cleanup and repair settings with CCleaner

1. Download and install the free or full version of CCleaner by Piriform.

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Antivirus PRO 2015 virus

2. Once installed, open the program and navigate to Cleaner > Windows/Applications and click the Analyze button. Afterwards, click the Run Cleaner button on the bottom right of the program interface.

Antivirus PRO 2015 malware

3. Next, navigate to Tools > Startup and search through each tab starting from windows, internet explorer, etc., all the way to Content Menu, for additional suspicious entries and click Disable and Delete once anything is found.

If you are still experiencing issues removing potential Zbot malware after using this removal guide we recommend to perform a system restore/recovery or a reset/refresh for Windows 8.

[fancy_box title=”Zbot Overview”]

  • Third-Party Detection: Trojan-Spy:W32/Zbot [F-Secure], PWS-Zbot [McAfee], Trojan-Spy.Win32.Zbot [Kaspersky], Win32/Zbot [Microsoft], Infostealer.Monstres [Symantec], Infostealer.Banker.C [Symantec], Trojan.Wsnpoem [Symantec], Troj/Zbot-LG [Sophos], Troj/Agent-MDL [Sophos], Troj/Zbot-LM [Sophos], Troj/TDSS-BY [Sophos], Troj/Zbot-LO [Sophos], Troj/Buzus-CE [Sophos], Sinowal.WUR [Panda Software], Troj/QakBot-D [Sophos], Troj/Agent-MIR [Sophos], Troj/Qakbot-E [Sophos], Troj/QakBot-G [Sophos], Troj/QakBot-F [Sophos], Troj/Agent-MJS [Sophos], Troj/Agent-MKP [Sophos], Troj/Zbot-ME [Sophos], Troj/Dloadr-CYP [Sophos], Win32/Zbot.WY [Computer Associates], Troj/DwnLdr-IBQ [Sophos], Troj/Zbot-NG [Sophos], W32/Zbot-NI [Sophos], Troj/Zbot-NN [Sophos], Troj/DwnLdr-ICV [Sophos], Troj/DwnLdr-ICY [Sophos], Troj/DwnLdr-IDB [Sophos], Troj/Dldr-DM [Sophos], Troj/Zbot-NR [Sophos], Troj/Zbot-NS [Sophos], Troj/Agent-MWK [Sophos], Troj/FakeAV-BDB [Sophos], Troj/Agent-MYL [Sophos], Troj/Agent-NAX [Sophos], Troj/Zbot-OD [Sophos], Troj/Zbot-OE [Sophos], Troj/Zbot-OT [Sophos], Troj/FakeAV-BGJ [Sophos], Troj/VB-EPV [Sophos], Troj/VB-EQA [Sophos], Troj/Zbot-PE [Sophos], Troj/Zbot-OZ [Sophos], Troj/Zbot-PA [Sophos], Troj/Zbot-OY [Sophos], Troj/FakeAV-BHP [Sophos], Troj/Zbot-OX [Sophos], Troj/Agent-NIV [Sophos], Troj/Zbot-PM [Sophos], Troj/Zbot-PQ [Sophos], Troj/Agent-NKD [Sophos], Troj/Zbot-PP [Sophos], Troj/Zbot-PN [Sophos], Troj/Zbot-PX [Sophos], Troj/Zbot-PW [Sophos], Troj/Zbot-PY [Sophos], Troj/Zbot-PT [Sophos], Troj/Zbot-PV [Sophos], Troj/Zbot-QC [Sophos], Troj/Zbot-QD [Sophos], Troj/Zbot-QK [Sophos], Troj/Zbot-QZ [Sophos], Troj/VB-ERY [Sophos], Troj/Zbot-RA [Sophos], Troj/Zbot-RK [Sophos], Troj/Dloadr-DAD [Sophos], Troj/Zbot-RP [Sophos], Troj/Zbot-RY [Sophos], Troj/Zbot-SC [Sophos], Troj/Zbot-SD [Sophos], Troj/Zbot-SB [Sophos], Troj/Zbot-SF [Sophos], Troj/Zbot-SV [Sophos], Troj/Agent-NUO [Sophos], Troj/Zbot-SP [Sophos], Troj/Meredrop-K [Sophos], Troj/Zbot-SX [Sophos], Troj/Zbot-SY [Sophos], Troj/Zbot-SR [Sophos], Troj/Zbot-TG [Sophos], Troj/Zbot-TQ [Sophos], Troj/Zbot-TY [Sophos], Troj/ZBot-UL [Sophos], Troj/Zbot-VN [Sophos], Troj/Zbot-VM [Sophos], Troj/Zbot-VQ [Sophos], Troj/Zbot-WD [Sophos], Troj/Zbot-WF [Sophos], Troj/Zbot-XA [Sophos], Troj/Agent-OLW [Sophos], Troj/Zbot-XO [Sophos], Troj/Zbot-XN [Sophos], Troj/Zbot-YB [Sophos], Troj/Zbot-YE [Sophos], Troj/Zbot-YO [Sophos], Troj/Zbot-YP [Sophos], Troj/ZBot-ZJ [Sophos], Troj/Zbot-AAN [Sophos], Troj/Zbot-AAM [Sophos], Troj/Zbot-ACI [Sophos], Troj/Zbot-AGC [Sophos], Troj/Zbot-AGJ [Sophos], Troj/Zbot-AHE [Sophos], Troj/Zbot-AHD [Sophos], Troj/Zbot-AIR [Sophos][/fancy_box]

Sean Doyle

Sean is a tech author and engineer with over 20 years of experience in cybersecurity, privacy, malware, Google Analytics, online marketing, and other topics. He is featured in several publications.

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