Networks crippled by worms' onslaught
News There are a lot of companies that have been disrupted by W32.Welchia," Huger said. Nachi -- also dubbed MSBlast.D and Welchia -- is a variant of the MSBlast worm that started spreading on Monday and swamped corporate networks with its attempts to...
[August 22, 2003, 8:45]
Virus Round-up: Treble trouble
News This week, the Welchia worm -- which is actually supposed to remove MSBlast -- arrived and began causing additional problems. How should MSBlast,Welchia and Sobig be handled? Viruses, it seems, are the latest class of thing to be "just like buses...
[August 22, 2003, 15:10]
US quarantines visa system after virus attack
News According to spokeswoman Joanne Moore, at 4:30 a.m.on Tuesday morning, the department's IT workers discovered the Welchia worm on an "unclassified open network" area of the Class system and began taking measures to contain the attack.
[September 25, 2003, 8:50]
Networks must counter triple threat
News This week, the Welchia worm -- which is actually supposed to remove Blaster -- arrived and began causing additional problems. Welchia Welchia (also known as W32/Welchia.worm10240, W32/Nachi.worm, WORM_MSBLAST.D, and Lovsan.D) attempts to remove...
[August 21, 2003, 12:40]
Cleaning up after the MSBlast worm
Talkback I believe my problem was the Welchia/Nachia worm And the solution was.backup usefull files using DOS 'caus explorer don't work.reinstall OS Marvelous, very sensible
[September 4, 2003, 14:50]
Preventing and removing the Nachi worm
Talkback Thanks Nachi/Welchia programmers! As if the helpdesk needed another task.
[September 23, 2003, 19:27]
Preventing and removing the Nachi worm
News Nachi (w32.nachi.a, also known as Welchia, worm_msblast.d, and Sachi) exploits the same Microsoft DCOM RPC Windows flaw as MSBlast, but it removes traces of that worm and even downloads the correct version-specific DCOM RPC patch to prevent...
[August 20, 2003, 10:15]
Worm and virus overload networks
News The Internet worm -- called MSBlast.D, W32.Welchia or W32/Nachi -- started compromising computers on Monday and has overwhelmed some corporate networks with its aggressive scans for vulnerable hosts. A "good" Internet worm and a new malicious mass...
[August 20, 2003, 8:35]
'Good' worm fights MSBlast
News The new worm, dubbed W32.Welchia, W32/Nachi and Worm_MSBlast.D, appears to properly download the patch for both Windows 2000 and Windows XP from Microsoft's Web site. A variant of MSBlast spread on Monday, but the new worm has an odd twist: it...
[August 19, 2003, 8:50]
'Good' worm fights MSBlast
Talkback I'm setting up a brand new PC for a friend.I had the worms Welchia and MS Blast hit me before I'd finished downloading the Norton Antivirus updates! Get the Fix tools AND the patches to stop you getting the worms again at this link.http://www.upg...
[January 17, 2004, 2:53]
Young worm-creator arrested in US
News The original MSBlast worm (also known as Blaster and Lovsan), along with a flawed copycat known as Welchia and Nachi that was intended to protect vulnerable systems from the original worm, probably infected more than a million computers.
[September 29, 2003, 8:54]
TippingPoint to push into Euro security market
News Both the MSBlast and the Nachi/Welchia worms took advantage of a security hole in various versions of Windows and Windows Server 2003 that had been first disclosed in mid-July. American IT security firm TippingPoint is gearing up to begin selling...
[October 23, 2003, 14:05]
Security experts hit back at presidential advisor
News TruSecure's Heiser admitted that recent worms such as Slammer and Welchia have taken advantage of bugs that would have been prevented by "human perfection" in the art of coding, but he said viruses often get into corporate networks because of the...
[March 2, 2004, 16:25]
Transmeta adds buffer-overflow protection at chip level
News Worm attacks such as those triggered by Sasser recently and the MSBlast and Welchia worms last year, used this method, Transmeta said. Chipmaker Transmeta is working to make its microprocessors capable of protecting computers from virus and worm...
[May 18, 2004, 9:00]
Windows admin 'feature' poses latest hazard
News The MSBlast worm, the "good" Welchia/Nachi worm, a new version of the Sobig virus and the threat of a Direct X attack are all currently causing concern for Windows users. Security experts are warning users to switch off a Windows messaging feature...
[August 20, 2003, 15:05]
Second Sasser spreads faster
News The MSBlast.B worm, also called Welchia and Nachi, spread so aggressively that it inundated many companies' networks with data. A newer, better-built version of the Sasser worm has boosted the infectiousness of the original, spreading to more than...
[May 4, 2004, 9:00]
