Archive for the ‘Viruses’ Category

Anti-Virus the Cloudmark way

Monday, May 12, 2014 by Andrew Conway

Symantec is now admitting that traditional anti-virus solutions are losing the war against computer malware, according to a recent article in the Wall Street Journal. “Antivirus is dead,” says Brian Dye, Symantec’s senior vice president for information security. . . . hackers increasingly use novel bugs. Mr. Dye estimates antivirus now catches just 45% of […]

Malware spreading by fake Amazon notifications

Friday, May 02, 2014 by Andrew Conway

We’ve recently seen a return of email spam campaign featuring fake Amazon.com notifications. This appeared in the Holiday shopping season last year coming from disposable domains, and is now back, apparently coming from compromised domains in the UK. Here’s an example: Of course, the attachment contains a malicious trojan that allows remote access to Windows […]

Cloudmark’s 2014 Q1 Global Messaging Threat Report

Thursday, April 17, 2014 by Tom Landesman

Current events around the world became the focal point of many malicious and innocuous spam campaigns in the email and mobile messaging space this quarter. In Cloudmark’s 2014 Q1 Global Messaging Threat Report we’ve detailed several malicious campaigns that have reverted to a more old fashioned way of distributing malware, email spam, following the arrest […]

The good news is you don’t have cancer…

Monday, March 17, 2014 by Andrew Conway

…the bad news is that if you tried to see your diagnosis you just installed a trojan on your system which stole your credit card number and bank account login. A recent spam attack in the UK pretends to be a notification from the National Institute for Health and Care Excellence (NICE) saying that you […]

Android SMS Spambot Update – SpamSoldier

Tuesday, December 18, 2012 by Andrew Conway

Yesterday we told you about an Android trojan used to send SMS spam. Currently, the versions of this malware being distributed by the spammer are: angrybirds.apk MD5 = a0e7a47c6b3582f9c9a4c5166eb0eace gtavicecity.apk MD5 = a8de900d9ff269455f4344b8e8409699 needforspeed.apk MD5  = c18bc53d74e8a6926453a8c86355501a The Command and Control server has moved to pinktrash.mobi, though imperialistic.mobi is still functional for the handsets infected […]

Video about the UPS “package not delivered” scam

Friday, December 02, 2011 by Angela Knox

Mashable did a video spot about the blog post we did earlier this week: Cyber Monday UPS package not delivered email fraud http://mashable.com/2011/11/28/ups-package-not-delivered-scam/

When is an email from PayPal, not really from PayPal?

Monday, August 08, 2011 by Angela Knox

Take a look at this message and see if you can tell if it came from PayPal or not? Fig 1. Fake Email from PayPal. This email is NOT from PayPal.  It’s from a spammer, who wants you to go to your browser and open the “AccountValidation.html” page that he or she has attached. Why […]

I spy something with my little eye

Friday, April 15, 2011 by James Hoddinott

They say things come in threes so, on the back of the Rustock and Coreflood takedowns in recent weeks, it has emerged that last week the UK’s Police Central e-Crime Unit has, as part of a larger international investigation, arrested 3 men in connection with using the SpyEye trojan. This particular trojan is used primarily to steal […]

Another Botnet Takedown: Coreflood Bites the Dust!

Wednesday, April 13, 2011 by David LaMacchia

Quickly following the Rustock Botnet takedown (see “Will Microsoft’s Takedown of Rustock Drive Spammers Outside the United States?”), the Department of Justice and the FBI, again in coordination with Microsoft, have taken the Coreflood Botnet offline.  Coreflood, a trojan able to conduct massive Denial of Service attacks, also steals sensitive information from an infected computer.  […]

Do not download now.

Wednesday, March 30, 2011 by Cloudmark

Cloudmark continues to see spam advertising an upgrade to Adobe Acrobat Reader. Links contained within emails with the subject line “Action required : Upgrade New Adobe Acrobat Reader For Your PC” do not lead you to an official Adobe website.  The message may seem legitimate to the unknowing recipient since the URLs in spam and […]

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