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Category Archives: Malware Analysis

Ransomware in the wild: the CryptoLocker malware

The Cryptolocker is a new variant of ransomware malware that encrypts various files on user’s computer and demands the owner of the computer to pay the malware authors in order to decrypt the files. The affected files are documents, images, … Continue reading

Malware distribution campaign using fake WhatsApp voicemail notifications

“You have a new voicemail”, “1 New Voicemail(s)” (or 4) are the subjects used by the fake emails pretending to come from the well-known WhatsApp instant messaging service for mobile devices. There is also a “Play” button which brings you … Continue reading

When the mail services deliver dangerous packages

We are monitoring a spam campaign that is using the names of delivery services like FedEx and DHL to send the receiver to a website that installs malware. With subjects like “Not possible to make delivery” or “Shipping service”, the … Continue reading

Facebook likejacking scam via Twitter

The tweet your receive is “we are looking for twitter members to try our brand new product at twitgiveaway,com”, mostly as a reply to one of your tweets. There is no mistake in the URL: “twitgiveaway,com”. There is indeed a comma … Continue reading

Emails containing fake invoices from Zalando and Deutsche Bahn distribute malware

We wrote before about the smart methods of fooling users to do things (execute files) which they would not normally do. Two weeks ago we’ve seen a mass mailing in the German language containing malicious payload pretending to be invoices … Continue reading

A new ransomware trojan variant with children pornography

We wrote about the ransomware trojan (aka BKA Trojan) and its new methods of blackmailing people to pay: claim in the name of an official institution that the user did something illegal, like storing children pornography pictures on his computer. The new … Continue reading

Emails with malicious URLs use the tragedy in Boston to exploit vulnerable Java installations (updated)

Yesterday the USA has suffered a bomb attack during a marathon that took place in Boston. This attack was characterized by the US President as a “terrorist attack” since it involved civilians. Not even 24h later, we have started to … Continue reading

Avira users are protected against the MiniDuke Malware (Updated)

If you live on this planet, you must have definitely have heard of the new malware that is making use of a zero-day vulnerability in Adobe Reader. This malware is called MiniDuke, and it is slowly but surely becoming the … Continue reading

The BKA Trojan still spreading through emails containing fake invoices

Even though the fraudsters behind the BKA Trojan (aka Ransom Trojan) have been caught by the police, there are still a lot of emails spreading the Trojan in circulation. One of these emails drew my attention because it was addressed … Continue reading