Removing browser hijacks, Virus's and Spyware

Prevention continued, and conclusion

Increase security with a firewall:

A firewall of some description can be very useful. Especially if you have a permanent connection to the net. A properly configured firewall will prevent unauthorised access to your machine/network while allowing you to browse to your heart's content. There are a few different options available.

A hardware firewall.

You can find these inside routers, broadband modems and similar devices. They tend to be plug and play but can be configured if needed.

A firewall on a separate computer.

This is more for protecting a network. The computers on network would get their net access through a single server with a connection to the outside world. A connection sharer of some sort. There are a couple of different paths you could go down here. Some examples are a dedicated firewall/connection sharing computer. One popular setup for this is Smoothwall, Here Smoothwall is based on Linux and can be configured across the network. A similar approach would be Windows 2000/XP with Internet Connection Sharing. Not everyone's kettle of fish but still a possibility. A firewall for the DIYers would be more along the lines of a Linux box with connections to both your network and the internet. The DIYer would write up a set of rules using something like iptables, IP Tables that would specify what data is allowed in and out. A different option for DIY firewalls is Network Address Translation or NAT. NAT covers connection sharing and firewalls in one. NAT can be easy to set up and just works. A good page for info on setting up NAT can be found at Netfilter

A firewall on your own computer.

Probably the easiest to keep an eye on this would consist of a program you have installed and have running in the background. A popular firewall for this sort of use is Zone Alarm. A free download is available at Zonelabs There is also a Zone Alarm Pro which is more configurable and includes "Powerful Identity & Privacy Protections". A 15 day trial download is available, if you want to use it after that you'll need $US39.95. Windows XP has a built in firewall but it isn't very good to say the least. Currently it is best to use a seperate program. Part of Service Pack 2 is a greatly improved firewall.

Regular virus scans

If you do nothing else regular virus scans are a must. Your antivirus software should be able to schedule scans so you don't have to remember to run them.

Speaking of software Microsoft is working on an anti-spyware program called Windows Defender. It's based on Giant Software's Antispyware and at the moment is currently Beta 2. Early reviews are coming out very favourably for Windows Antispyware and not just for the amount of spyware detected but also for it's look and ease of use. One drawback though is that it will require a subscription fee while other products like Spybot and Adaware are still completely free. If you want to download the beta and check it out it can be found at Microsoft Website

# Warning

Do not use Spyware Eliminator from Aluria Software. Aluria has partnered with spyware company WhenU and removed WhenU's spyware from their spyware definitions. As a result Aluria's products, including Spyware Eliminator, regard WhenU's spyware as safe and will NOT remove it. More info can be found on Slashdot Here


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Most Recent Comments

19-06-2006, 13:19:36

Homer
:wavey: Not so bad, if i can add another advice, the best solution for increase your network is to use a firewall router (like linksys for example) or a PC with a linux firewall (likes smoothwall) which blocks, by default, INCOMING connections from internet AND a software firewall on all PCs of your network (zone alarm, kerio or bitdefender) which blocks incoming and OUTGOING connections by default.
And the best antivirus is Kaspersky.
I survey my active connections with a little soft called Active ports.

Homer
(Sry for my english)

19-06-2006, 16:29:34

Phnom_Penh
SFC.exe, the built in windows system file checker is a useful little tool which does what it says on the tin. (I.E. it checks all the windows files for any nasties) ;) Has come in handy in the past

Three switches you're only really need are...

/SCANNOW Scans all protected system files immediately.
/SCANONCE Scans all protected system files once at the next boot.
/SCANBOOT Scans all protected system files at every boot.

21-06-2006, 07:13:49

PV5150
Hey Homer, I did actually mention firewalls on the last page of the guide. :)

21-06-2006, 14:40:57

Homer
Hello,

yes you mention the interest of firewalls and your guide is very interesting for users... just want to said the most important is to install and set up a hardware firewall and a software firewall on each computers on LAN, both of them. And if a PC is too unstable/infected, the best way to solve pbs is to format HDD and reinstall WXP and install antivirus, firewalls, anti-spyware in first, don't hesitate to do it when needed.

Think about to disabled the windows services which are non useful (in most cases) and dangerous for security, like :

- help and support
- NetMeeting Remote Desktop Sharing
- Portable Media Serial Number Service (a strange one ^^)
- QoS RSVP (u just win about 20% bandwith with this one)
- Remote Access Auto Connection Manager
- Remote Desktop Help Session Manager
- Remote Registry (very dangerous)
- Server (but if u have a personnal web site or ftp... on your LAN u need it, of course)
- SSDP Discovery Service
- TCP/IP NetBIOS Helper
- Telephony
- Telnet
- Terminal Services
- WebClient
- Windows Time

and more... ;)

In result i have only 30 processes active, the best way to check what kind of processes is up.:beerchug:

PS : This is dedicate to Jiffz who i knows have some router pb ;)

01-07-2006, 03:43:28

Homer
Did i was out of topic with my windows services, interesting or not useful?
(sorry for my english)

01-07-2006, 05:57:54

Phnom_Penh
[QUOTE=Homer]Did i was out of topic with my windows services, interesting or not useful?
(sorry for my english)[/QUOTE]
Yeh, it's usefull, but there's no point in having both hardware and software firewalls.

21-07-2008, 08:37:53

zlanhgn
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04-05-2009, 11:45:23

MarkW7
Good tut, thanks

04-05-2009, 11:56:34

themcman1
What's with bumping all the old threads?

04-05-2009, 13:57:45

MarkW7
I need 15 posts. Lmao
Reply
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