Malware Lab

Malware security alerts, detailed malware analysis reports and ransomware decrypters straight from our industry experts at the Emsisoft Malware Lab.

Jan 25, 2013

5 min read

Ransomware – The no. 1 threat for 2013

“Your computer is blocked!” – Not something you enjoy seeing when using it. Unfortunately thousands of PC users worldwide find themselves in a situation where, all of a sudden their computer is unusable unless they pay a fee to unlock it. The FBI or a similar national law enforcement organization seems to claim that […]

Jan 21, 2013

2 min read

LINKEDIN – connecting to… ZeuS?

Last week, a new zero-day Java vulnerability created quite a buzz on the Internet. To illustrate just how effectively this vulnerability is exploited, lets have a look at an email our research lab received, supposedly from LinkedIn. Below you can see the email as we received it. It looks harmless enough and appears to be […]

Nov 26, 2012

5 min read

Buzz word: “cloud anti-virus” – what is it all about?

“Cloud” is definitely one of the IT sector’s most popular marketing words of recent years. The virtual clouds promise you easy and mobile access to data and services. The anti-virus sector has also come to use this technology. Fast scans and very low resource usage are clear advantages of cloud-based scanners. But, as usual, there […]

Oct 20, 2012

4 min read

Linux Rescue CD: a help or a hinderance?

Detect and get rid of malware without entering Windows, use a bootable Linux Rescue CD; it sounds like something that can make the life of anyone who needs to remove malware a lot easier. The idea behind it? Scan your computer without booting in Windows, which can come in handy when malware is actively preventing […]

Sep 21, 2012

1 min read

Amazon spam: “Your Order Processed Today”

One of our colleagues received spam emails today claiming to be from Amazon . These emails were sent from spoofed addresses and used high priority flags along with a variety of subjects including the following: Re: Order Shipped Today Your Order Processed Today Re: Item Waiting on delivery Now Re: Order Shipped Few hours ago […]

Aug 9, 2012

4 min read

Dorifel crypto malware paralyzes Dutch companies and public sector

Systems in the Netherlands are currently being hit hard by a new wave of crypto malware named “Trojan-Ransom.Win32.Dorifel”. Based on press reports as well as our own telemetry gathered through our Emsisoft Anti-Malware Network thousands of Dutch systems are already infected. The majority of them located in government, public sector or company networks. Based on […]

Jul 31, 2012

1 min read

Beware: “Groupon discount gifts” spam!

The Emsisoft malware research team has discovered a new outbreak of the spam emails purporting to be from Groupon. The spam emails are designed to convince the user to open the attachment provided, which contains malware that can infect the system. The spam emails we have received have the subject “Groupon discount gifts“, with an […]

Jun 16, 2012

1 min read

“Thanks for joining Classmates”, and others…

Following the recent malware scams using various popular brands, like Craigslist, Vodafone, Apple, Verizon, and LinkedIn – some new phishing emails are popping up yet again this week, purporting to be from Amazon, PayPal, Twitter, Habbo Hotel and Classmates.com – a social networking site. As you can see below, the emails look very professional and […]

Jun 7, 2012

4 min read

More malware spam campaigns

We have detected some more spam emails spreading within recent days that try to infect the user’s computer with a trojan. At this time some of emails are purporting to be from Craigslist, Vodafone, Apple, Verizon, and also LinkedIn. Here are some screenshots of the email. Craigslist IMPORTANT – FURTHER ACTION IS REQUIRED TO COMPLETE […]

Apr 11, 2012

12 min read

The ACCDFISA malware family – Ransomware targeting Windows servers

A few weeks ago our colleagues over at BleepingComputer approached us asking for help with a recent malware outbreak that specifically targets Windows servers. Several companies as well as individuals found their servers being locked by a malware that claims to originate from the “Anti Cyber Crime Department of Federal Internet Security Agency” or short […]

Emsisoft > Blog > Malware Lab > Page 42

Malware Lab

Ransomware – The no. 1 threat for 2013

LINKEDIN – connecting to… ZeuS?

Buzz word: “cloud anti-virus” – what is it all about?

Linux Rescue CD: a help or a hinderance?

Amazon spam: “Your Order Processed Today”

Dorifel crypto malware paralyzes Dutch companies and public sector

Beware: “Groupon discount gifts” spam!

“Thanks for joining Classmates”, and others…

More malware spam campaigns

The ACCDFISA malware family – Ransomware targeting Windows servers

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