Threat Category: Web threats | Page 24

Two Top Twenties have been compiled from data generated by the Kaspersky Security Network (KSN) throughout January 2009.

Kido can be very painful to get rid of. That’s why we’ve decided to release a free tool which can be used to clean infected machines.

Drive-by downloads became increasingly common in 2008. With webmasters becoming more aware of security issues, the criminals out there are always looking for new techniques to ensure that their malware survives longer.

Two Top Twenties have been compiled from data provided by the Kaspersky Security Network (KSN) throughout December 2008

Two Top Twenties have been compiled from data provided by the Kaspersky Security Network in November 2008.

Yesterday we detected the onset of the latest mass hack attack – websites being hacked and links placed on them that lead to malicious servers.

Over the last couple of weeks, we’ve been seeing new modifications of the PDF exploits spread and managed by the El Fiesta toolkit.

Two virus rankings have been compiled as a result of Kaspersky Security Network (KSN) activity in September

In its second month of compiling data, the new Kaspersky Security Network (KSN) technology revealed some significant changes amongst the most widespread malicious programs.

Cooperating with the Dutch police

If you read the IT media, you may have seen reports about the new worm we detected yesterday – Net-Worm.Win32.Koobface. We’ve got four variants so far, and there may well be more to come.

The format of the ‘Virus Top Twenty’ reports from Kaspersky Lab has changed as of July 2008

Kaspersky Lab began performing in-depth analysis of the Rustock rootkit’s code on May 12.

The May 2008 Email Top Twenty is a short one; this is explained by the well-known fact that virus writers take a break over the summer months.

Instant messaging applications are viewed as ideal channels for committing various types of online fraud. Knowing about potential threats that spread via IM and how to combat them can help users avoid unpleasant surprises when communicating online

Reports

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.

An in-depth analysis of Umbrij, a new tool used by the ToddyCat APT group to compromise corporate email communications in Gmail. The attack targeted OAuth authorization tokens, allowing threat actors to gain access to Google services.

Cloud Atlas attacks the public sector and diplomatic structures of Russia and Belarus, using ReverseSocks, SSH, and Tor for persistence in infected systems and its new tool, PowerCloud.

Kaspersky researchers analyze a range of new PebbleDash-based tools used in recent Kimsuky campaigns and reveal their connection to the AppleSeed malware cluster.

Web threats

Monthly Malware Statistics: January 2009

Kido, you ain’t kidding

The Google variable

Monthly Malware Statistics: December 2008

Monthly Malware Statistics: November 2008

Big Chinese Hack 2?

Fiesta parties on

Monthly Malware Statistics for September 2008

Monthly Malware Statistics for August 2008

Taking down botnets

Double blow against 2.0

Monthly Malware Statistics for July 2008

Rustock and All That

Virus Top 20 for May 2008

“Instant” threats

Reports

Mirage Kitten targets Middle East and Africa region with new malware

ToddyCat: your hidden email assistant. Part 2

Cloud Atlas activity in the second half of 2025 and early 2026: new tools and a new payload

Kimsuky targets organizations with PebbleDash-based tools