Author Topic: VIRUS DETECTED BY AVAST: JS DOWNLOADER-BLR (Trj)  (Read 10232 times)

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Offline noelrojasc

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VIRUS DETECTED BY AVAST: JS DOWNLOADER-BLR (Trj)
« on: April 30, 2012, 04:39:32 AM »
Hello,

Avast detected this virus in my PC, JS DOWNLOADER-BLR (Trj). I already moved it to the Virus Chest. Please, can anybody give me some  information about this virus? Can I remove it safely from my PC?

Thanks!
DELL Optiplex 790, Intel Core i5, 16GB RAM, Windows 10 Pro 64 Bits, Avast Free.

iroc9555

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Re: VIRUS DETECTED BY AVAST: JS DOWNLOADER-BLR (Trj)
« Reply #1 on: April 30, 2012, 05:12:27 AM »
Follow this guide: http://forum.avast.com/index.php?topic=53253.0

attach ( Do not copy/paste ) logs for malwarebytes', OTL, and aswMBR.exe here.

Where an expert in the removal of malware will help you.

REDACTED

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Re: VIRUS DETECTED BY AVAST: JS DOWNLOADER-BLR (Trj)
« Reply #2 on: April 30, 2012, 06:46:43 AM »
Hello,

Avast detected this virus in my PC, JS DOWNLOADER-BLR (Trj). I already moved it to the Virus Chest. Please, can anybody give me some  information about this virus? Can I remove it safely from my PC?

Thanks!

As a rule it is Exploit.BlackHole, and he in turn loads the Win32:Spyware-gen (Trojan.PWS).

http://www.webopedia.com/TERM/B/blackhole_exploit_kit.html

As an example:
https://www.virustotal.com/file/46ec07850033f41db063ad3df6bfedfb3d9d481c62ba125c2ca3c346f01ee4a9/analysis/1335761268/

As an example:
https://www.virustotal.com/file/34dcd4cbb83dfeab6e999fd65f7bd1a1c4a2621c10d3bbf7dfbfe85ccbdda4f5/analysis/1335761037/
« Last Edit: April 30, 2012, 06:50:24 AM by Dim@rik »

Offline Pondus

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Re: VIRUS DETECTED BY AVAST: JS DOWNLOADER-BLR (Trj)
« Reply #3 on: April 30, 2012, 07:02:01 AM »
as Dim@rik say this is often related to blackhole...

info on that here
http://www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=JS%2fBlacole


Quote
Can I remove it safely from my PC?
sinse it is in chest (quarantine) it is already removed

leave infections in chest for a couple of weeks, then right click the file in chest and rescan
if still detected, delete

Offline noelrojasc

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Re: VIRUS DETECTED BY AVAST: JS DOWNLOADER-BLR (Trj)
« Reply #4 on: May 02, 2012, 01:42:56 PM »
Ok, thank you all for your help!  :)
DELL Optiplex 790, Intel Core i5, 16GB RAM, Windows 10 Pro 64 Bits, Avast Free.