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modem hang-ups following virus
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Original Message
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Name: dsutct
Date: July 21, 2003 at 21:44:00 Pacific
Subject: modem hang-ups following virus
OS: WinNT SP6
CPU/Ram: 300 MHz PII/128 MHz
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Comment: I have a Dell Dimension XPS 300 with a USR Sportster 56000 upgraded to V.90. In the last couple of month, my dial-up connection to my ISP gets disconnected about every 5 minutes. My phone line is fine (I have another computer using the same line). It seems that another process on my PC may be disonnectiing the modem (the modem log file says: Hanging up the modem.
Hardware hangup by lowering DTR. I supect that a virus has corrupted some of my system files. I had several attacks by W32.HLLW.Lovgate.G@mm and W32.Valla.2048. For a while, I was getting multiple (up to 200) instances of rasautou.exe launching in my task manager. I was somehow able to get rid of this problem, but I still have the constant modem hang-ups. I think I need to refresh my system files, but I don't know how to do this with NT. Any advice would be appreciated.
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Response Number 1
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Name: Qginie
Date: July 21, 2003 at 22:42:22 Pacific
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Reply: Hi, You might be facing these kind of problems
as the virus might be still present in your system. W32.HLLW.Lovgate.G@mm is a minor variant of W32.HLLW.Lovgate.C@mm. This worm contains mass-mailing and backdoor functionalities
W32.HLLW.Lovgate.G@mm also attempts to copy itself to all the computers on a local network, and then attempts to infect these computers. The worm also has a backdoor Trojan capability. Please visit the link below for a detailed description of the virus and removal of the same: http://securityresponse.symantec.com/avcenter/venc/data/pf/w32.hllw.lovgate.g@mm.html Also visit the link below for detailed description and removal of W32.Valla.2048: http://www.symantec.ca/avcenter/venc/data/pf/w32.valla.2048.html
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Response Number 2
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Name: dsutct
Date: July 21, 2003 at 22:55:57 Pacific
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Reply: I've already visited Symantec and used their Lovgate removal tools. Norton Antivirus was used to remove the Valla virus. However, I'm not sure that removing the virus restores any system files that might have been infected (e.g to setup the backdoor connection to the internet).
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Response Number 3
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Name: Marco
Date: July 30, 2003 at 02:56:03 Pacific
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Reply: Hi!
To restore system files on NT (i've win 2000 PRO) you have to run from dos prompt "sfc /scannow".
Check on google anyway for this file...i'm not really sure of this.
During scan of sfc, keep running norton auto protect. To me, when i runned sfc, auto protect show me several files infected that i didn't know.
I hope this could be usefull for you.
Good luck, Marco
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