Discovered on 11 April, it replies to all unread mails in your email message folders, and drops a backdoor Trojan in the \Windows folder. The Kakworm virus that exploits a fault in the MS Outlook Express program, and Hybris viruses, another that...
That placed it second to Klez.h, which accounted for about 14,000 email messages. Known in full as W32.Bugbear or I-Worm.Tanatos, the mass-mailing computer virus started infecting computers via email on Sunday.
Natasha Staley, anti-virus consultant, Sophos Anti-Virus, said: "After seven months at the top, Klez-H has finally been knocked off its perch by the Bugbear worm. Bugbear-A displaced Klez-H at the top of the virus list last month, although the...
That places the malicious program at number five on MessageLab's daily Top 10 list; the Klez virus leads the pack with over 9,000 infected emails intercepted by the company in the same time period. But Thursday's mass mailing of the virus wasn't...
The worm sends email using a known exploit that causes the attachment to automatically execute when the message is viewed or previewed on Internet Explorer-based email clients, such as Microsoft Outlook and Outlook Express.
If their Outlook preview pane is open, the victim's machine will be compromised automatically. Outlook uses elements of Internet Explorer to render the HTML for its preview pane, so to avoid the new Bagle worms, users should apply a patch for...