Solved Java exploits interfering with network

Peppurr101

Power User
Hello all,

I am posting this just as an FYI for anyone having problems with their wireless network adapter connecting to their network.
For a while now, I have been having problems connecting my netbook to a network. Initially I thouht the problem was with my home network, but when I tested it with other networks, both public and private, I had the same problem.
I tried tweaking everything to no avail.

Yesterday I was messing around and realised that Microsoft Security Essentials had not done a complete system scan for a while (it does a quick scan by default) so I set it to run and walked away (it took about 3 hours).

Turns out MSE picked up 3 Java exploit viruses (?) on my netbook. It removed them and now I have no problem connecting to my network. See links below for details.
So far, with luck, I have not detected any of the things that are listed in the article below (changing home page etc) so maybe I have caught this early enough but to be sure, I am going to run another MSE scan today.

Samsung N220 netbook
Realtek RTL8192 wireless adapter

Symptoms: Clicking on the 'wireless' icon in the system tray brings up few, if any visible networks
Computer will connect sometimes briefly, sometimes for longer, sometimes not at all.
Sometimes it's 'local access only', sometimes it connects to an 'unidentified public network' ( was that the virus trying to call out I wonder?)
Symptoms persist with all networks.
Java exploit link:
Encyclopedia entry: Exploit:Java/CVE-2012-4681 - Learn more about malware - Microsoft Malware Protection Center

Link to second and third exploit (they had similiar names.. one was 'generic' and one was not..

Encyclopedia entry: Exploit:Java/CVE-2012-1723!generic - Learn more about malware - Microsoft Malware Protection Center

For what it's worth, it worked for me so perhaps anyone else out there has the same problem.. maybe this will help.
This forum has helped me immensely in the past.. maybe now I can help back.. :D
Peppurr
 

My Computer

System One

  • Manufacturer/Model
    Dell XPS 420
    CPU
    Intel (R) Core(TM) Quad 6600 @2.4GHz
    Memory
    4GB dual channel DDR2 667MHZ [4x 1024]
    Graphics Card(s)
    NVIDIA GeForce 8800 GTX
    Sound Card
    Creative SB X-Fi
    Monitor(s) Displays
    Generic Dell PnP Monitor
    Screen Resolution
    1680x1050
    Hard Drives
    2 500GB Hard drives in a RAID 1 Mirror configuration.
    Keyboard
    Standard USB QWERTY keyboard
    Mouse
    Standard optical mouse
    Internet Speed
    Actual 2.2 Mbps
    Other Info
    Connected to DSL internet via ethernet via Netgear DGN2000 modem router.
    Also connected via ethernet to HP 8180 All-in-One Photosmart printer.
    19-in1 card reader and 1 DVD and 1 DVD RW drives
Hi Peppurr,

Thanks for sharing your experiences and solution with us, I'm sure others experiencing this problem will really appreciate your efforts!

This forum has helped me immensely in the past.. maybe now I can help back.. :D

That's what this forum is all about :)

Tom
 

My Computer

System One

  • Manufacturer/Model
    Build #1
    CPU
    Intel Core i7 3770K @4.4GHz
    Motherboard
    ASUS P8Z77-V PRO
    Memory
    Corsair Vengeance 2x4GB DDR3 1600MHz Low Profile (White)
    Graphics Card(s)
    Gigabyte Radeon HD 7850 (2GB GDDR5)
    Sound Card
    Integrated on motherboard
    Monitor(s) Displays
    23" LG LCD/LED IPS
    Screen Resolution
    1920*1080
    Hard Drives
    Samsung EVO 128GB SSD
    Seagate Barracuda 2TB 7200rpm
    2x500GB Seagate FreeAgent 5400rpm
    PSU
    Corsair TX650W V2 (80+ Bronze)
    Case
    NZXT Phantom 410
    Cooling
    Corsair H100 Water Cooler, 1x140mm and 1x120mm stock fans
    Keyboard
    Microsoft Desktop 2000 Wireless Keyboard
    Mouse
    Microsoft Desktop 2000 Wireless Mouse
    Internet Speed
    95 Mb/s Download 70 Mb/s Upload
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