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6.2

stubborn malware

Asked by msaayman in Desktop Anti-Virus, Anti-Virus, Anti-Virus Applications

Having a problem with a virus on our network. Start menus on Windows XP Sp2 getting changed was the first found symptom. Submenu folders get removed and new "submenus" get created which are in fact exes and not folders. Exes also get created in some folders with exe names matching folder names. Doesnt happen in all folders but no apparent pattern to spread on the PC.

Startup items are added, adding any files found in the C root to the startup list as shown in msconfig.
A process called schedl.exe is started. killing this process and removing files/settings identified to be part of this problem does not cure it. 2-5 minutes after the PC shows as "clean" by all tools and manual checks the problem is back.

Trend, AVG free, sophos standalone, Spybot S&D, avg antispyware, Lavasoft 1.06 Pro Advanced Windows Care 2.40 all show no threat found when used to scan. PC is patched to the max on MS patches and all Malware scanners up to date on definitions. Process explorer does not show any suspicious processes running.

Only one result googling on the schedl.exe which is the only clearly identifyable signature of the threat. Prevx1 lists this as a malware problem with no info as to cause, effect or cure beyond saying "here's a tool to clean it". This "tool" is unstable during install AND scanning, crashing a number of times then after scanning eventually for 1hour+ tries to talk to a database online to identify problems. This fails due to "connectivity problems"

Has anyone else experienced and successfully killed/cured this?
[+][-]05/16/07 01:49 AM, ID: 19099284Expert Comment

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[+][-]05/16/07 04:58 AM, ID: 19099985Author Comment

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[+][-]05/16/07 05:44 AM, ID: 19100217Expert Comment

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[+][-]05/16/07 06:08 AM, ID: 19100380Author Comment

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[+][-]05/16/07 06:18 AM, ID: 19100459Accepted Solution

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Zones: Desktop Anti-Virus, Anti-Virus, Anti-Virus Applications
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Solution Provided By: rpggamergirl
Participating Experts: 3
Solution Grade: B
 
[+][-]05/17/07 11:53 PM, ID: 19113853Author Comment

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[+][-]05/30/07 11:33 PM, ID: 19185864Expert Comment

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[+][-]05/31/07 12:16 AM, ID: 19186054Author Comment

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[+][-]05/31/07 12:33 AM, ID: 19186102Expert Comment

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20091021-EE-VQP-81 - Hierarchy