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Posts by Adam Kujawa

Lead of the Malware Intelligence Team with nearly 10 years of experience fighting malware behind the scenes and on the front. Follow me @kujman5000

DDOS, the doorbell ditch of cybercrime

This morning, Michael Callahan of Juniper Networks posted an article on SecurityWeek.com about distributed denial of service, or DDOS, called “Take a Broader, Deeper, Wider Bite out of Cybercrime.” A DDOS attack is when numerous client systems send massive amounts of network traffic to a single web server in the hopes of making it impossible […]

Oh, the Sites You Will Never See

Malwarebytes Website Blocking function explained.

Once again, Skype has proven itself to be a valuable tool for the spread of malware and other malicious  doings by cyber criminals.  Our researchers have discovered a scam being spread via Skype that is designed to steal the log in credentials for Skype users by dangling free premium upgrades.  However unlike other attacks, this […]

Step Forward with Malwarebytes Secure Backup

Computer security can be exhausting when you consider all the updates and scans you know you should do every day. Keeping all your data safe – not to mention website blocking, external security (keeping your password safe and your computer locked) and, of course, backing up important files in case you are actually infected with […]

Malwarebytes Hit by Targeted Attack!

Dear Readers, We regret to inform you that over the weekend, Malwarebytes was under direct, targeted attack from a new type of malware of unknown origin. The malware was shutting down systems left and right at our headquarters. We were able to cut off its spread through our network and obtain a sample of it […]

Bsides SF: The Aftermath

A few weeks back, we told everyone we were going to BSides to do things like meet awesome people and give some talks. Well we are back now and ready to tell you all about it.

CTA: Malwarebiter.com

URGENT: Malwarebytes mimic site ‘Malwarebiter(dot)com’ hosts fake anti-malware product and spreads malware. ACTION: Do NOT visit ‘Malwarebiter(dot)com‘ unless you are using a secured environment (i.e. Virtual Machine or Sandbox)

Cyber Threats in 2012: Looking Both Ways

2012 was a dangerous year, packed with threats such as Drive-by exploits, Ransomware, phishing scams and state-sponsored malware.  Those who payed attention stayed safe by using anti-malware solutions combined with safe surfing practices and other defensive software.  However many people did not and unfortunately, millions of them became victims of cyber-crime.  Now that we have […]

CTA: Unpatched Java Exploit in the Wild

URGENT: New Java Exploit being used to infect Updated Users. ACTION: Disable Java Browser Plugin using: http://nakedsecurity.sophos.com/2012/08/30/how-turn-off-java-browser/ http://krebsonsecurity.com/how-to-unplug-java-from-the-browser/ DETAILS: As of yesterday, a new Java exploit has been developed and released to the cyber-crime community. It is currently in the wild and being used to distribute malware such as the Reveton Ransomware.

Chameleon: One Year Later.

About one year ago, Malwarebytes gained a new weapon in the fight against cyber-crime to accomplish things it had not been able to before, by releasing a tool known as “Chameleon”.  Since then, very few changes have been made to the tool in helping it continue to evade the offensive efforts of malware against Malwarebytes […]

Ransomware

…because some malware is too heinous for clever puns. Ransom software or Ransomware, takes advantage of our constant need for information, communication and entertainment by hijacking our computer systems and demanding payment for returned use.  It hides under the masks of government agencies and uses tactics similar to criminal interrogations to guilt the user into […]

It’s The Most Dangerous Time of the Year!

The holidays are a time for family, friendship, giving and compassion.  They are also a time for cyber criminals to scam people into downloading malware, giving up personal information and even doing non-stop surveys. This blog post will go over a few tricks that you might want to keep an eye out for during this […]

Meet Malwarebytes Anti-Rootkit

Did you know the term ‘malware’ refers to more than just viruses and worms? Did you know that there are types of malware that infect your system at so deep a level that the operating system doesn’t even realize they are there? Did you know that some malware could make the files, services and running […]

Behold…Anti-Malware Man!

Happy Halloween Everybody! If you have been keeping up with the Malwarebytes Facebook or Twitter pages, you might have heard about the interview done on Category5 TV last night with none other than the newest hero in the fight against malware, ANTI-MALWARE MAN!

Pick A Download… Part 2

Last week I wrote a blog post on the dangers of ads posing as fake download buttons on various download web sites. Since then I received a lot of feedback from our readers and other security researchers on different tools available to help users avoid these dangers by blocking the ads entirely.  Instead of adding […]

Pick a Download, Any Download!

Various download sites have been plastering ads all over their pages for years, some of which are just for other types of software and some of them are for services. However, a new trend among these ads has emerged, adding an extra download button where there should not be one.  Many users have been falling […]

A Picture is worth a Thousand Messages

Instant messaging is not a new concept; in fact, instant messaging software has been around for over 20 years in many different forms.  A more popular method of instant messaging these days is done with the use of the software known as Skype.  Skype allows for more than just text chatting but also calling a […]

Dark Comet 2: Electric Boogaloo

Over the past few weeks Jean-Piere Lesueur, A.K.A. DarkCoderSc, has been developing a new version of the Dark Comet Remote Administration Tool which he is calling “Dark Comet Legacy.” This newer version of the tool includes numerous features that make the tool more user-friendly and appear more legitimate.  In addition, DarkCoderSc continues to include notices […]

How to Give Malwarebytes Anti-Malware The Power!

Many PC users are content to let their hardware and software become outdated and obsolete if only because it still runs, so why update it; or as the old adage goes: “If It Ain’t Broke, Don’t Fix It”. Unlike a refrigerator or a washing machine, outdated computer components leave you vulnerable to attacks by various […]

Much Ado About Browser Malware

Browser Malware is a constant problem for all computer users. In addition to being highly intrusive and sometimes difficult to remove, it is one of the most frequently modified types of malware currently in the wild; because of this, Anti-Malware and antivirus products may not detect and remove all new variants of browser infecting malware […]

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