"Infection Spreads Profile Pic Messages to Skype Users "
http://www.gfi.com/blog/infection-spreads-profile-pic-messages-to-skype-users/
"There’s an infection doing the rounds on the Skype network at the moment, spamming end-users with the following message (or similar variants):"
"Dorkbot worm spreading via Skype, installs nasty ransomware"
http://www.techspot.com/news/50443-dorkbot-worm-spreading-via-skype-installs-nasty-ransomware.html
"A malware infection is quickly spreading over Skype IM that can allow the author to lock a user out of their PC and demand a ransom. The payload is delivered in the form of a spoofed message from someone on the target’s contact list with the text “lol is this your new profile pic?” or a similar variant."
"Hidden details about the last Skype spread malware"
http://www.securelist.com/en/blog/208193882/Hidden_details_about_the_last_Skype_spread_malware
"Many things have been told already about the latest Skype malware spread via instant messages. However I just wanted to add something not mentioned yet. The first thing is about when the attack was launched first. According to Google Short URL service it first surfaced on Oct 6th :"
"To be exact it happened at 8:00 PM Ecuadorian time (7:00 PM ET). In just 2 hours the number of clicks grew up to 484,111 clicks. I’d say most of the people who clicked got infected since the initial Virus Total (https://www.virustotal.com/) detection for the malware was only from 2 of the 44 AV engines. The actual detection now is 27/43 engines and the actual number of clicks is more than 1 million!"