The infamous KOOBFACE botnet is sending direct messages (DMs) on Facebook . If this sounds familiar… it should be, as this tactic was previously discussed here in the Malware Blog back in March.

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KOOBFACE Spreading via Facebook DMs Again

The KOOBFACE botnet continuously evolves to keep on generating profit for its perpetrators.

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The Evolution of KOOBFACE: A Web 2.0 Botnet

HijackThis is a free tool Trend Micro offers as a courtesy to end users—customers and non-customers alike.

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Fake HiJackThis Toolbar Serves Malware

May 10 is Mothers’ Day for most countries all over the world. As a perfect gift on this particular holiday, spammers decided to honor mothers by spamming e-cards from supposedly legitimate greeting card companies to distribute their malicious wares

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Spammers Celebrate Mothers’ Day

TrendLabs SM security researchers recently noted an increase in the volume of spammed messages posing as newsletters from Amazon. These email messages even sported a supposed Amazon email address, {BLOCKED}ers@amazon.com, to make them look more credible. The messages even featured various product endorsements to fool recipients into thinking they were legitimate.

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Amazon Spam Targets Online Shoppers

TrendLabs received reports of a suspicious email that claims to be an IT notification, informing users that their mailbox settings have been changed.

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Fake IT Email Notification Spreads Malicious PDF

TrendLabs received reports of a suspicious email that claims to be an IT notification, informing users that their mailbox settings have been changed. This email has a PDF attachment that supposedly contains instructions that users need to read before updating their settings

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Fake IT Email Notification Spreads Malicious PDF

Intego discovered a new OS X malware last week . Based on its report, however, this new malware is a variant of an early Mac OS X malware that was first seen in 2004.

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Mac Malware Disguised as iPhoto Installer

TrandLabs engineers recently discovered that cybercriminals now use shortened URLs to spam malware via instant-messaging (IM) applications like Yahoo! Instant Messenger and MSN . As we all know, URL-shortening services are used to compress long and unreadable URLs into short, bite-sized ones. Short URLs are more portable and are now preferred over the (normally long) actual URLs when one wishes to share news within networks using their own websites, blogs, Tweets, and other social media tools.

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Shortened URLs in IM Apps Lead to a Worm

TrendLabs engineers noted a recent malicious scheme that attempts to spoof an Adobe update but is actually a Trojan variant detected as TROJ_FAYKDOBE.A . This malware bears identical icons and version details to an Adobe update, which enables it to bypass antivirus software and system analysts, and to trick users into believing that it is legitimate. Once executed, TROJ_FAYKDOBE.A drops other malicious files detected as BKDR_VB.JGT , BKDR_VB.JHM , and BKDR_VBBOT.AP .

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Malware Spoof an Adobe Update and VPSKeys