Klez overtakes SirCam in virus stakes
News Klez.h appears to be overtaking SirCam as the most virulent computer virus to date. This particular version of the virus surfaced in April, and is also known as Klez.g, Klez.h and Klez.k, depending on the security advisory that's referring to it.
[May 28, 2002, 12:55]
Klez worm refuses to die
News It may only be a matter of time before you're accused of spreading the Klez virus. A month after it started spreading, the Klez.h worm isn't slowing down, said antivirus experts on Friday. The Klez.h variant, which appeared in mid-April, infects...
[May 20, 2002, 9:19]
Chernobyl virus hitches a ride
News The Klez worm just keeps on giving. The persistent pest, which made a strong comeback last month in the form of the Klez.h variant, is now helping revive the Chernobyl virus, according to a new report from antivirus company Symantec.
[May 7, 2002, 8:54]
Klez worm variant infests UK
News A variant of the Klez worm which resurfaced earlier this week has begun to spread extremely quickly, with the UK as its top target, according to an antivirus firm. UK-based MessageLabs said the Klez.H worm, which spreads via email, has proliferated...
[April 19, 2002, 16:23]
Klez worm on the loose again
News A new variant of the Klez worm managed to squirm into computers in some parts of Asia on Tuesday and appeared to be spreading in the United States and the UK as of Wednesday. Alternately known as Klez.g, Klez.h and Klez.k, depending on the security...
[April 18, 2002, 8:50]
Klez variant strikes unprotected PCs
News More than a week after it first started spreading, the latest variant of the Klez worm continues to infect PC users that haven't taken steps to protect themselves. While the number of computers infected by the Klez.H variant falls short of such...
[April 25, 2002, 8:56]
Klez worms its way to the top of the virus charts
News The latest fast-spreading versions of the Klez worm have so far infected more than 7 percent of PCs worldwide, surpassing totals chalked up by previous threats such as SirCam and Nimda, according to a new survey by an antivirus company.
[April 30, 2002, 8:35]
Bugbear to set new virus record
News Last week, email service provider MessageLabs intercepted 320,000 missives containing the Bugbear attachment, more than the Klez.h virus managed in its first week in April. Klez.h has created the most-ever Internet traffic so far.
[October 8, 2002, 7:45]
Klez virus set to wipe itself out
News A minor variant of the Klez virus is set to go into action tomorrow, erasing a host of files on infected hard drives. The 8-month-old mass-mailing computer virus called Klez.E triggers its payload on the sixth day of March, May, September and...
[September 6, 2002, 10:16]
Klez still dominates the virus top 10
News Yet again Klez was the most common source of virus reports during the month of April, as measured by anti-virus firm Sophos. Graham Cluley, senior technology consultant at Sophos Anti-Virus, said: "While Klez refuses to go away, a new entry this...
[April 30, 2003, 13:31]
Klez still surfing the virus top ten
News Klez has claimed a remarkable thirteenth month in the top 10 list of most frequently occurring viruses -- raising concerns about the vigilance of IT managers and administrators charged with updating their company's antivirus software.
[March 3, 2003, 16:04]
Bugbear rise knocks out Klez
News The Bugbear worm is shaping up into the most serious Internet threat in months, according to security researchers, as it surpassed the lingering Klez.H to become the fastest-spreading virus of the moment.
[October 3, 2002, 16:05]
Klez virus passes confidential info
News The latest variant of the Klez worm sometimes chooses to hitch a ride on sensitive documents, resulting in victims' confidential information spreading with the malicious program, Russian antivirus firm Kaspersky Labs said on Friday.
[April 22, 2002, 10:16]
Email viruses show dramatic rise
News According to the report, which measured results up to the end of the second week of December, the most active virus was Klez.H with 4.9 million copies stopped by MessageLabs. Yaha.E came second with 1.1 million copies, then it was Bugbear.A with...
[December 16, 2002, 10:19]
Report: Viruses spreading on the double
News Various forms of the Klez worm were the worst offenders, responsible for more than half of all infected messages. Klez, which started off as a fairly innocuous mass-mailing worm, mutated into nastier versions as virus writers tried to improve on...
[June 19, 2002, 9:35]
Bugbear tops virus charts
News Bugbear accounted for almost 30 per cent of all reports of viruses to antivirus Sophos in the last month -- well ahead of former top spot incumbent Klez which now only accounts for around eight per cent of all reports in third place.
[December 2, 2002, 7:38]
Braid virus winds its way through email
News Although the company has seen only 43 copies of the virus -- indicating an extremely slow start -- W32.Braid shares some attributes of the widely spread Klez family of viruses and could have similar success.
[November 5, 2002, 8:16]
Bugbear virus threat on the rise
News That placed it second to Klez.h, which accounted for about 14,000 email messages. A new email virus gained a greater foothold in unpatched Windows PCs on Tuesday, spurring antivirus companies to upgrade their estimate of the virus' danger.
[October 2, 2002, 8:02]
W32 viruses top the charts
News Topping the list was Klez-H, followed by Badtrans-B, and then Elkern-C. This year Windows 32 viruses have accounted for all the positions on the top 10 list, according to a virus occurrence summary. Last month, it was reported that computer viruses...
[July 5, 2002, 7:58]
Swen worm tops virus charts
News On Friday, email provider Messagelabs said its email servers had stopped more copies of Swen than any other worm, including Klez.H, the previous top threat. Security experts have said that the Swen mass-mailing Windows worm appears to be spreading...
[September 19, 2003, 15:55]



