Sober worm returns

The Sober worm which caused a big headache for some firms at the end of October returned yesterday.

W32.Sober.B@mm is virtually identical to its predecessor and has been rated at a low to medium risk. However the opportunity remains for major email problems if sysadmins aren't prepared.

The worm, released from Germany and only affecting Windows OSes, relies on classic user stupidity. While Sober.A pretended to come from an anti-virus company, this one's header concerns either George Bush or hacking: "George W. Bush plans new war"; "Have you been hacked?" and similar.

An attachment with a variety of names from "yourlist" to "gwbush-new-wars" and a .com, .cmd, .exe or .pif file extension, if clicked, will install the worm on the computer. It also installs its own SMTP engine and starts emailing itself to every email address it can find on the computer.

The first time the worm is installed, a fake error message appears, presumably to convince those daft enough to have opened the attachment that no harm has been done and the attachment is simply knackered.

It also installs two versions of itself. If one is tackled, the other will reinstall itself. It also makes some changes in the registry so any infected machine will need the attentions of someone confident with regedit.

Security companies are not overly concerned since the worm can be picked up, isolated and removed relatively easily. If companies already block attachments with the most common virus-carrying suffixes -- .pif, .scr -- there should be little trouble. However if there are holes in the security and the worm finds a way in and around the network, the huge volume of emails generated could become a major headache.

Since the worm is most likely to be spread by someone daft enough to open the attachment, an email to all staff warning of the new virus would be a good idea. The main anti-virus vendors have prepared a definition for Sober.B so download it. Apart from that, if you do get the worm, you can get full instructions on what to do at Symantec Corp.'s site.

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Kieren McCarthy

Techworld.com

Comments

Comments are now closed.

Latest News Articles

Most Popular Articles

Follow Us

GGG Evaluation Team

Kathy Cassidy

STYLISTIC Q702

First impression on unpacking the Q702 test unit was the solid feel and clean, minimalist styling.

Anthony Grifoni

STYLISTIC Q572

For work use, Microsoft Word and Excel programs pre-installed on the device are adequate for preparing short documents.

Steph Mundell

LIFEBOOK UH574

The Fujitsu LifeBook UH574 allowed for great mobility without being obnoxiously heavy or clunky. Its twelve hours of battery life did not disappoint.

Andrew Mitsi

STYLISTIC Q702

The screen was particularly good. It is bright and visible from most angles, however heat is an issue, particularly around the Windows button on the front, and on the back where the battery housing is located.

Simon Harriott

STYLISTIC Q702

My first impression after unboxing the Q702 is that it is a nice looking unit. Styling is somewhat minimalist but very effective. The tablet part, once detached, has a nice weight, and no buttons or switches are located in awkward or intrusive positions.

Resources

Best Deals on GoodGearGuide

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?