Author Topic: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM  (Read 2612 times)

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Offline mun1son

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Avast has detected these viruses. Required logs attached. Thank you!
« Last Edit: August 06, 2012, 08:14:42 AM by mun1son »

Offline essexboy

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #1 on: August 06, 2012, 04:11:08 PM »
Could you attach a screenshot of the Avast popup please

Warning This fix is only relevant for this system and no other, using on another computer may cause problems

Be advised that when the fix commences it will shut down all running processes and you may lose the desktop and icons, they will return on reboot

Run OTL
  • Under the Custom Scans/Fixes box at the bottom, paste in the following


    Quote
    :OTL
    FF - prefs.js..extensions.enabledItems: {CAFEEFAC-0016-0000-0022-ABCDEFFEDCBA}:6.0.22
    FF - prefs.js..extensions.enabledItems: {CAFEEFAC-0016-0000-0023-ABCDEFFEDCBA}:6.0.23
    O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - No CLSID value found.
    O6 - HKLM\Software\Policies\Microsoft\Internet Explorer\Restrictions present

    :Files
    ipconfig /flushdns /c

    :Commands
    [purity]
    [resethosts]
    [emptytemp]
    [CREATERESTOREPOINT]
    [Reboot]
  • Then click the Run Fix button at the top
  • Let the program run unhindered, reboot the PC when it is done
  • Open OTL again and click the Quick Scan button. Post the log it produces in your next reply.

Offline mun1son

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #2 on: August 06, 2012, 05:47:42 PM »
For some reason, the "show last popup message" in avast is grayed out. I am attaching a screen shot of the virus chest if that helps.

When I ran the OTL fix, it seemed to just stop after a while, so I did a force reboot. I tried this twice. I am also running WinPatrol which alerts me to any attempted changes to my system. After reboot, it alerted me to a potential change to my hosts file. I've not made a decision on whether or not to accept the change. I've made a screen shot of the potential change and I have attached it here. Waiting for guidance.

The OTL quick scan log after reboot is attached on the next reply.

Offline mun1son

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #3 on: August 06, 2012, 05:51:03 PM »
otl log

I also wanted to mention that I tried system restore before posting here and it would not restore to earlier dates on my computer.
« Last Edit: August 06, 2012, 06:19:30 PM by mun1son »

Offline essexboy

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #4 on: August 06, 2012, 07:28:21 PM »
Have you had any more alerts as the files appear to have been in your temp folder

run farbar service scanner



Tick "All" options.
Press "Scan".
It will create a log (FSS.txt) in the same directory the tool is run.

Please copy and paste the log to your reply.

Offline mun1son

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #5 on: August 06, 2012, 08:05:21 PM »
I have not had any more alerts. What would cause system restore to repeatedly fail? FSS log posted below.

Farbar Service Scanner Version: 04-08-2012 01
Ran by Munson (administrator) on 06-08-2012 at 13:01:03
Running from "C:\Documents and Settings\Munson\My Documents\Downloads"
Microsoft Windows XP Professional Service Pack 3 (X86)
Boot Mode: Normal
****************************************************************

Internet Services:
============

Connection Status:
==============
Localhost is accessible.
LAN connected.
Google IP is accessible.
Google.com is accessible.
Yahoo IP is accessible.
Yahoo.com is accessible.


Windows Firewall:
=============

Firewall Disabled Policy:
==================


System Restore:
============

System Restore Disabled Policy:
========================


Security Center:
============

Windows Update:
============

Windows Autoupdate Disabled Policy:
============================


File Check:
========
C:\WINDOWS\system32\dhcpcsvc.dll => MD5 is legit
C:\WINDOWS\system32\Drivers\afd.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\netbt.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\tcpip.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\ipsec.sys => MD5 is legit
C:\WINDOWS\system32\dnsrslvr.dll => MD5 is legit
C:\WINDOWS\system32\ipnathlp.dll => MD5 is legit
C:\WINDOWS\system32\netman.dll => MD5 is legit
C:\WINDOWS\system32\wbem\WMIsvc.dll => MD5 is legit
C:\WINDOWS\system32\srsvc.dll => MD5 is legit
C:\WINDOWS\system32\Drivers\sr.sys => MD5 is legit
C:\WINDOWS\system32\wscsvc.dll => MD5 is legit
C:\WINDOWS\system32\wbem\WMIsvc.dll => MD5 is legit
C:\WINDOWS\system32\wuauserv.dll => MD5 is legit
C:\WINDOWS\system32\qmgr.dll => MD5 is legit
C:\WINDOWS\system32\es.dll => MD5 is legit
C:\WINDOWS\system32\cryptsvc.dll => MD5 is legit
C:\WINDOWS\system32\svchost.exe => MD5 is legit
C:\WINDOWS\system32\rpcss.dll => MD5 is legit
C:\WINDOWS\system32\services.exe => MD5 is legit

Extra List:
=======
aswTdi(8) Gpc(3) IPSec(5) NetBT(6) PSched(7) Tcpip(4)
0x080000000500000001000000020000000300000004000000080000000600000007000000
IpSec Tag value is correct.

**** End of log ****
« Last Edit: August 06, 2012, 08:07:44 PM by mun1son »

Offline essexboy

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #6 on: August 06, 2012, 08:47:06 PM »
Restore looks OK .. Could you see if you can create one

Offline mun1son

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #7 on: August 06, 2012, 08:51:54 PM »
Yes, I successfully created a restore point.

When I was trying to restore before posting here, I was trying to restore to a point 2 to 4 weeks ago. Each time I tried, it failed.

Offline essexboy

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #8 on: August 06, 2012, 08:53:44 PM »
They were probably corrupt restore points

Can you restore to the one made today ?

Offline mun1son

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #9 on: August 06, 2012, 09:28:33 PM »
Yes, I successfully restored to the restore point I made today, so the older restore points must have been corrupt.

Looks like I dodged a bullet as well with the malware. Thanks so much for your help. Much appreciated.

Offline essexboy

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Re: Help please. Win32:Malware-gen; Java:Malware-gen; Win32:Kryptik-JNM
« Reply #10 on: August 06, 2012, 09:52:25 PM »
OK lets tidy up .. This will reset all your restore points

Subject to no further problems   :)

I will remove my tools now and give some recommendations, but, I would like you to run for 24 hours or so and come back if you have any problems 

Now the best part of the day ----- Your log now appears clean  :thumbsup:

A good workman always cleans up after himself so..The following will implement some cleanup procedures as well as reset  System Restore points:

Run OTL
  • Under the Custom Scans/Fixes box at the bottom, paste in the following
    Quote
    :Commands
    [resethosts]
    [emptytemp]
    [CLEARALLRESTOREPOINTS]
     [Reboot]
  • Then click the Run Fix button at the top
  • Let the program run unhindered, reboot the PC when it is done
Run OTL and hit the cleanup button.  It will remove all the programmes we have used plus itself. 

We will now confirm that your hidden files are set to that, as some of the tools I use will change that
  • Click Start.
  • Open My Computer.
  • Select the Tools menu and click Folder Options.
  • Select the View Tab.
  • Under the Hidden files and folders heading select Do not show hidden files and folders.
  • Click Yes to confirm.
  • Click OK.
   Your Java is out of date.
Older versions have vulnerabilities that malware can use to infect your system.
Please follow these steps to remove older version of Java components and upgrade the application.

 Upgrading Java:
  • Go to this site  and click Do I have Java
  • It will check your current version and then offer to update to the latest version
Now that you are clean, to help protect your computer in the future I recommend that you get the following free programmes:

Malwarebytes.

Update and run weekly to keep your system clean

Download and install FileHippo update checker and run it monthly it will show you which programmes on your system need updating and give a download link

It is critical to have both a firewall and anti virus to protect your system and to keep them updated. To keep your operating system up to date visit To learn more about how to protect yourself while on the internet read our little guide  How did I get infected in the first place ?Keep safe  :wave: