Category Archives: Emsisoft Lab

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Alerts & Outbreaks, Emsisoft Lab [Jul, 20, 2016]

Free decryption keys for CryptXXX Ransomware

BleepingComputer has long been working on helping users effected by CryptXXX Ransomware. This week, they published an article uncovering a bug on the CryptXXX ransomware’s payment server where victims are logging in and receiving their decryption key for free.

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Alerts & Outbreaks, Emsisoft Lab, Security Knowledge [Jun, 15, 2016]

RAA, a new Ransomware variant using only JavaScript

While JavaScript ransomware is not a new threat, the Emsisoft team recently encountered a new ransomware variant known as RAA. Known to encrypt personal files it also goes one step further by dropping Pony malware, a known stealer of private data.

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Alerts & Outbreaks, Emsisoft Lab, Security Knowledge [Mar, 8, 2016]

A Skype scam bot attempted to lure our CEO. This is what happened.

A scam-chatbot approached our CEO via Skype and revealed some interesting facts how their business works.

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Emsisoft Lab [Feb, 12, 2016]

Decrypter for HydraCrypt and UmbreCrypt available

Emsisoft Labs successfully breaks encryption of newest ransomware families distributed via exploit kits.

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Alerts & Outbreaks, Emsisoft Lab [Dec, 29, 2015]

Strong indications that ransomware devs don’t like Emsisoft

A variant of the Radamant ransomware uses the domain name “emisoftsucked” and strings such as emisoft f**kedbastardsihateyou in the code. You have to see this!

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Emsisoft Lab, Security Knowledge [Dec, 22, 2015]

How it’s done right: Emsisoft’s Behavior Blocker vs. 20 crypto ransomware families

Crypto ransomware turns out to be threat number 1 in 2015 again. It encrypts all your document files and forces you to pay a ransom to get them back.

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Emsisoft Lab, Emsisoft News, Security Knowledge [Jun, 26, 2015]

Is your antivirus software mining your data?

Only a few people are aware that one of the biggest threats to their privacy is actually their antivirus software. Here the Emsisoft team explore privacy conscious alternatives.

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Emsisoft Lab, Emsisoft News [May, 8, 2015]

Is this file safe? Re-launch of the Emsisoft Anti-Malware Network

Emsisoft’s public anti-malware database isthisfilesafe.com truly is one of a kind. As of today, it knows over 163 million malware threats so you don’t have to worry about getting infected with any of those bastards.

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Emsisoft Lab [May, 5, 2015]

PClock turns your WordPress blog into a malware command center

The ransomware PCLock started out as a rather simplistic Cryptolocker copycat, but has since evolved significantly with many variants and more advanced encryption methods.

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Emsisoft Lab, Emsisoft News [Mar, 25, 2015]

Antivirus, Anti-Malware, Anti-PUP? What is Emsisoft really?

Numbers don’t lie: it seems we have literally become an “Anti-PUP” company! Almost 80% of all malware we detect is made up of potentially unwanted programs (PUPs).

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Emsisoft Lab [Apr, 4, 2014]

CryptoDefense: The story of insecure ransomware keys and self-serving bloggers

Emsisoft Labs successfully decrypted the CryptoDefense ransomware before the story was leaked to the press, helping at least 350 users recover their files.

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Alerts & Outbreaks, Emsisoft Lab [Feb, 3, 2014]

Malware Analysis: Ransomware “Linkup” Blocks DNS and Mines Bitcoins

Emsisoft’s Malware Analysis team has been closely following a new ransomware Trojan variant identified as Trojan-Ransom.Win32.Linkup.

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Emsisoft Lab, Emsisoft News [Dec, 19, 2013]

Emsisoft Update Cleans Up Database and Identifies Over 6000 New PUPs

This week, Emsisoft releases an update that optimizes our extensive signature database and identifies over 6000 new PUPs!

Emsisoft Lab [Sep, 10, 2013]

CryptoLocker – a new ransomware variant

Over the past few days Emsisoft’s malware research team has received numerous reports of a new file encrypting ransomware strain. This new family of ransomware is commonly referred to as CryptoLocker or Trojan:Win32/Crilock.A. Like all file encrypting ransomware (also known as crypto malware) the goal of the attacker is to encrypt important files on the […]

Emsisoft Lab [May, 23, 2013]

Which browser offers the best malware protection?

Navigating the Internet without web browsers would be like trying to drink your coffee without a mug. It simply doesn’t work. But the browser is also what stands between you and the millions of malware circulating websites out there. Accordingly, all major browsers have their own various forms of protection to protect users from malicious […]

Emsisoft Lab [Apr, 25, 2013]

New Skype scam uses chat bots: Fake webcam girls want your credit card information

Have you ever received a contact request on Skype from someone you don’t know? This may happen from time to time, particularly if your Skype name is publically searchable. But what is really behind these contact requests and why do people bother? To find that out we played along and the following conversation ensued: At […]

Emsisoft Lab [Mar, 15, 2013]

Security advice: Be careful when using Java

Java is installed on almost all computers. This is an obvious security risk, considering that there are regular announcements on new Java vulnerabilities that enable hackers to infect your PC with malware. However, most users don’t even need Java and can safely uninstall it without losing needed functionality. Keep reading to learn all you need […]

Emsisoft Lab [Feb, 21, 2013]

NBC network websites hacked: Distributing dangerous Citadel and ZeroAccess malware through exploits

The websites of the famous US broadcaster NBC as well as various popular NBC shows like “Late Night with Jimmy Fallon”, “Jay Leno’s Garage”, and possibly others have been hacked. Attackers managed to inject malicious iframes both inside the homepages as well as some JavaScript files that point to the RedKit exploit kit: Overall we […]