Feeds

Download.Ject-style worm spreads via IM

Unpatched Windows PCs at risk. Again

  • alert
  • submit to reddit

The Essential Guide to IT Transformation

A Download.Ject-style worm which spreads through instant messages is spreading across the Net, according to intrusion prevention firm PivX.

The as-yet unnamed worm arrives as an innocuous looking instant message on AIM or ICQ which says: "My personal home page http://XXXXXXX.X-XXXXXX.XXX/". This link takes users to a one of a number of sites hosted in Uruguay, Russia and the US, from which a Trojan horse program is downloaded. These websites contains exploit code designed to infect surfers by taking advantages of a variety of well known IE exploits (such as Object Data, Ibiza CHM and MHTML Redirect).

Infection will modify a user's home page to a site called TargetSearch. The setting of an infected user's browser will also be changed to open up several browser windows displaying adult advertisement and referral links every time IE is loaded, according to preliminary analysis of the worm.

The scope of the worm's spread is unclear but early analysis hasn't revealed any of the key logging features that made the original Download.Ject worm such a menace.

On 24 June many websites running IIS 5 were infected with malicious JavaScript code called Download.Ject. Websites running the latest versions of Microsoft IIS were unaffected. Users visiting a website contaminated with Download.Ject activated a script that downloaded a Trojan horse (called Berbew) from a website in Russia.

Acting with law enforcement authorities, Microsoft was able to rapidly shut down the Russian website, but the affair still highlighted security concerns with IE. Security clearing house US-CERT took the extraordinary step of advising users to ditch IE in favour of alternative browsers. Microsoft has since fixed the underlying flaw that Download.Ject exploited.

PivX Labs has notified anti-virus vendors so that they can create signatures to defend against the latest threat, which is nowhere near as serious as the original Download.Ject worm. ®

Related stories

Watch out! Incoming mass hack attack
Unpatched IE vuln exploited by adware
CERT recommends anything but IE
Long-awaited IE patch (finally) arrives
Instant message, cracker tricks

Build a business case: developing custom apps

More from The Register

next story
14 antivirus apps found to have security problems
Vendors just don't care, says researcher, after finding basic boo-boos in security software
'Things' on the Internet-of-things have 25 vulnerabilities apiece
Leaking sprinklers, overheated thermostats and picked locks all online
Only '3% of web servers in top corps' fully fixed after Heartbleed snafu
Just slapping a patched OpenSSL on a machine ain't going to cut it, we're told
How long is too long to wait for a security fix?
Synology finally patches OpenSSL bugs in Trevor's NAS
Israel's Iron Dome missile tech stolen by Chinese hackers
Corporate raiders Comment Crew fingered for attacks
Roll out the welcome mat to hackers and crackers
Security chap pens guide to bug bounty programs that won't fail like Yahoo!'s
HIDDEN packet sniffer spy tech in MILLIONS of iPhones, iPads – expert
Don't panic though – Apple's backdoor is not wide open to all, guru tells us
Researcher sat on critical IE bugs for THREE YEARS
VUPEN waited for Pwn2Own cash while IE's sandbox leaked
Four fake Google haxbots hit YOUR WEBSITE every day
Goog the perfect ruse to slip into SEO orfice
prev story

Whitepapers

Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
The Essential Guide to IT Transformation
ServiceNow discusses three IT transformations that can help CIO's automate IT services to transform IT and the enterprise.
Consolidation: The Foundation for IT Business Transformation
In this whitepaper learn how effective consolidation of IT and business resources can enable multiple, meaningful business benefits.
How modern custom applications can spur business growth
Learn how to create, deploy and manage custom applications without consuming or expanding the need for scarce, expensive IT resources.
Build a business case: developing custom apps
Learn how to maximize the value of custom applications by accelerating and simplifying their development.