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Windows 7: Annoyed by system hangs

21 Oct 2010   #21
HannibalUK

WINDOWS 7 ULTIMATE X64
 
 

Quote   Quote: Originally Posted by Jacee View Post
Shuichiro, I'll trade you speeds

shall we make a new thread for speed tests??


My System SpecsSystem Spec
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21 Oct 2010   #22
Shuichiro

Windows 7 32bit
 
 

ok, I upgraded the router firmware. Problem persists after reconnecting for awhile.
My System SpecsSystem Spec
21 Oct 2010   #23
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

Are you using IE 8/9 or FF?
I'd still like to know what Anti-virus application you're running. You may have an app running in the background that is causing the 'hang'.
My System SpecsSystem Spec
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21 Oct 2010   #24
Shuichiro

Windows 7 32bit
 
 

Using most recent version of Firefox ;-)

Firewall / Antivirus are Comodo Internet Security v5.0
My System SpecsSystem Spec
22 Oct 2010   #25
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

See if IE hangs while watching a Youtube video.

Also, a bit of info about Comodo and FF on this page Firefox hangs - MozillaZine Knowledge Base
My System SpecsSystem Spec
22 Oct 2010   #26
Shuichiro

Windows 7 32bit
 
 

It seems everyone keeps missing one point; the entire computer is compromised whenever a "hang" occurs. It can happen even if I have not run Firefox since I have restarted, and occurs using any program and random intervals. Using any program, watching movies with media players, etc.

I am going with the notion that it occurs from something running in the background since it occurs even when nothing is running.
My System SpecsSystem Spec
22 Oct 2010   #27
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

Run a scan with MalwareBytes

Download Malwarebytes' Anti-Malware to your desktop
|MG| Malwarebytes Anti-Malware 1.46 Download
* Double-click mbam-setup.exe and follow the prompts to install the program.
* At the end, be sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
* If an update is found, it will download and install the latest version.
* Once the program has loaded, select Perform full scan, then click Scan.
* When the scan is complete, click OK, then Show Results to view the results.
* Be sure that everything is checked, and click Remove Selected.

* When completed, a log will open in Notepad. Please save it to a convenient location. Copy and Paste that log into your next reply.
My System SpecsSystem Spec
22 Oct 2010   #28
Shuichiro

Windows 7 32bit
 
 

Malwarebytes' Anti-Malware 1.46
Malwarebytes

Database version: 4917

Windows 6.1.7600
Internet Explorer 8.0.7600.16385

10/22/2010 4:52:27 PM
mbam-log-2010-10-22 (16-52-27).txt

Scan type: Full scan (C:\|)
Objects scanned: 265743
Time elapsed: 1 hour(s), 13 minute(s), 12 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Windows\IFinst27.exe (Trojan.Downloader) -> Quarantined and deleted successfully.
My System SpecsSystem Spec
22 Oct 2010   #29
Shuichiro

Windows 7 32bit
 
 

Unfortunately still taking some CPU spikes... any other suggestions?
My System SpecsSystem Spec
22 Oct 2010   #30
Jacee
Microsoft MVP

Windows 7 Ultimate 32bit SP1
 
 

IFinst27.exe is Trojan/Backdoor.

These are the most dangerous, and most widespread, type of Trojan.
Backdoor Trojans provide the author or ‘master’ of the Trojan with remote ‘administration’ of victim machines. Unlike legitimate remote administration utilities, they install, launch and run invisibly, without the consent or knowledge of the user. Once installed, backdoor Trojans can be instructed to send, receive, execute and delete files, harvest confidential data from the computer, log activity on the computer and more.
If your computer was used for online banking or has credit card information on it, all passwords should be changed immediately to include those used for email, eBay and forums.
You should consider them to be compromised.
They should be changed by using a different computer and not the infected one, if not an attacker may get the new passwords and transaction information.
Banking and credit card institutions should be notified of the possible security breech.
More info can be found below:

How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
How to report ID theft, fraud, drive-by installs, hijacking and malware? Security - dslreports.com
When should I re-format? How should I reinstall?
When should I re-format? How should I reinstall? Security - dslreports.com
My System SpecsSystem Spec
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 Annoyed by system hangs




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