browlock – Computer Security Articles

WOOF locker: Unmasking the browser locker behind a stealthy tech support scam operation

January 22, 2020 admin 404browlock, 404error, browlock, browlocks, browser guard, browser locker, chrome, Edge, Firefox, malvertising, malvertising campaigns, microsoft, scams, Social engineering, steganography, tech support, tech support scams, Threat analysis, TSS, woof

Credit to Author: Jérôme Segura| Date: Wed, 22 Jan 2020 16:00:00 +0000

We reveal the inner workings of WOOF locker, the most sophisticated browser locker campaign we’ve seen to date. Learn how this tech support scam evades researchers and ensnares users by hiding in plain sight.

Categories:

Threat analysis

Tags: 404Browlock 404error browlock browlocks Browser guard browser locker chrome Edge firefox malvertising malvertising campaigns microsoft scams Social Engineering steganography tech support tech support scams TSS WOOF

MalwareBytes Security

Advanced tools: Process Hacker

November 9, 2018 admin browlock, CPU, CPU usage percentage, How-tos, memory dump, PID, process explorer, Process Hacker, Process Identifier, resource hog, Technology

Credit to Author: Pieter Arntz| Date: Fri, 09 Nov 2018 16:16:46 +0000

A quick introduction to Process Hacker which is a powerful tool that can be used for troubleshooting, debugging, and reverse engineering.

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Tags: browlock CPU CPU usage percentage memory dump PID process explorer Process Hacker Process Identifier resource hog

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The post Advanced tools: Process Hacker appeared first on Malwarebytes Labs.

MalwareBytes Security

Browlock flies under the radar with complete obfuscation

November 5, 2018 admin Base64, browlock, chrome, extension, Malwarebytes Browser Extension, Social engineering, tech support scams, Threat analysis, Zepto.js

Credit to Author: Jérôme Segura| Date: Mon, 05 Nov 2018 20:37:26 +0000

A new browlock (browser locker) steps up the game once more with soup to nuts obfuscation. Learn more about how it works and what you can do to protect against it.

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Tags: Base64 browlock chrome extension Malwarebytes Browser Extension tech support scams Zepto.js

MalwareBytes Security

How to tighten security and increase privacy on your browser

October 31, 2018 admin ads, browlock, browser, browser security, browser-based attacks, Chrome Extension, control, cookies, cryptominers, fingerprinting, hijacker, Online privacy, privacy, PUP, Security, Security world, VPN, WebRTC

Credit to Author: Pieter Arntz| Date: Wed, 31 Oct 2018 16:41:05 +0000

Is your browser secure and private enough by design or do you need to worry about security, privacy, fingerprinting, ads, and cookies yourself?

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Tags: ads browlock browser browser security browser-based attacks Chrome Extension control cookies cryptominers fingerprinting hijacker online privacy privacy PUP security vpn WebRTC

MalwareBytes Security

Scammers use old browser trick to create fake virus download

October 26, 2018 admin browlock, browser lockers, malware, scams, Social engineering, tech support, Threat analysis, TSS, virus

Credit to Author: Jérôme Segura| Date: Fri, 26 Oct 2018 15:00:00 +0000

A file downloaded to your computer says it’s a virus but turns out to just be a ploy used by tech support scammers.

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Tags: browlock browser lockers malware scams tech support TSS virus

MalwareBytes Security

Mass WordPress compromises redirect to tech support scams

September 20, 2018 admin bitcoin, Bitcoin Code, browlock, Indicators of compromise, injections, JavaScript, Social engineering, tech support scams, Threat analysis, TSS, wordpress, Zues

Credit to Author: Jérôme Segura| Date: Thu, 20 Sep 2018 17:42:47 +0000

Thousands of WordPress sites have been injected with the same malicious redirection. We review the infection details and the malicious traffic leading to browser lockers.

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Tags: bitcoin Bitcoin Code browlock Indicators of compromise injections JavaScript tech support scams TSS wordpress Zues

MalwareBytes Security

Partnerstroka: Large tech support scam operation features latest browser locker

September 13, 2018 admin Blogger redirects, browlock, browlocks, browser locker, browser lockers, cybercrime, Decoy sites, GoDaddy, HTTP authentication, Indicators of compromise, IOC, IOCs, malicious pop-ups, malvertising, Malwarebytes Browser Extension, Malwarebytes Browser Extensions, Partnerstroka, rogue tech support ads, Social engineering, stroka, tech support, tech support scams, TSS

Credit to Author: Jérôme Segura| Date: Thu, 13 Sep 2018 15:00:00 +0000

Tech support scammers belonging to the Partnerstroka group are once again abusing browsers, this time with a new browlock feature to reel in more victims, in one of the biggest campaigns we’ve ever tracked.

Categories:

Tags: Blogger redirects browlock browlocks browser locker browser lockers Decoy sites GoDaddy HTTP authentication Indicators of compromise IOC IOCs malicious pop-ups malvertising Malwarebytes Browser Extension Malwarebytes Browser Extensions Partnerstroka rogue tech support ads stroka tech support tech support scams TSS