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Friday, March 5, 2010

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Tuesday, March 2, 2010

Five Signs Your Computer May Have A Spyware Infection

your computer may have some type of spyware infection.

These days, spyware is everywhere. As Anti-Spyware programs get stronger, spyware continues to become trickier. Because of this, in my opinion, you simply cannot rely on running a spyware scanner to tell you if you have a spyware infection or not. You need to be able to notice other signs that you may have a spyware infection. Because let's face it, unless you have some type of spyware guard that runs 24/7, it's possible you will get an infection between scans with whichever spyware scanner you use. And if you go weeks between scans, the spyware could really harm your computer.

Now, just because you may notice one of these signs doesn't mean for sure that your computer has a spyware infection. It is still possible it doesn't. However, in my opinion, noticing any of these signs is enough reason to run a scan as soon as possible. Anyway, let's get right to the signs. Here they are, in no particular order.

1. IExplore.Exe

Try looking at the list of running processes on your computer. (Ctrl+Alt+Del - Processes (On Windows Xp) ). Do you see IExplore.Exe running? Well, if you are viewing this article in Internet Explorer or have Internet Explorer open in the background, then you shouldn't worry about seeing IEXplore.EXE in your process list. However, if you close out of Internet Explorer or you restart the computer and IEXplore.Exe or IEXplorer.exe is running when you clearly don't have Internet Explorer running, then this is a sign that you may be infected with Spyware. Many types of Spyware and Virus will run as IExplore.exe in the process list to confuse you with Internet Explorer. I have seen this happen many times when fixing computers.

2. Unexplainable Pop-Ups?

Pop-Ups can still be a problem for some internet users who don't use pop-up blockers. It can be common to go to websites and experience many pop-ups. However, if you are getting pop-up windows at times that you don't think you should be any, that may be a sign of an infection. This could be when you aren't surfing the web, when you first turn on the computer, etc. If you are experiencing this, run a scan!

3. Infection Warnings?

Are you receiving numerous warnings of an infection on your computer? If so, the warnings may be the infection in itself! Spyware programs displaying fake warnings to get you to download more spyware is becoming a lot more common these days. Many times they will use pop up boxes from your windows tray to warn you. They do this because these boxes look legitamate and look like they come from Windows. They don't! I can't think of a scenario where you would get any type of box like that unless it is from a spyware scanner you already use. Even if you feel this box may be from your scanner, play it safe and don't click the box. Just open up your scanner regularly and do a scan.

4. Start-Up Items

Another quick way to look for a possible infection is to look at a list of items set to run on startup. Now, you can do this without downloading any programs. But I recommend downloading a program like StartUp Manager that will easily show you a list of what is running at startup.

Anyway, look at the list of items running at startup. Has anything been added since the last time you checked what is running at startup? If there are new items and you don't recognize them, this may be a sign of a spyware infection that is set to run when you turn your computer on.

5. Different Browser Home Page?

And finally, if you open your internet browser and your homepage has changed, this is definitely a sign that you may have a spyware infection. Changing your browser homepage is one of the oldest tricks in the book for a Spyware Infection. If your homepage has changed and you didn't change it, run a scan!

If you remember to look for these signs, you just may spot a spyware infection before you find out from your spyware scanner. Remember though, before running a spyware scan, ALWAYS update it first!

Monday, February 22, 2010

What is Spyware Virus and Antivirus


Spyware is compuyter software that is installed surreptitiously on a personal computer to intercept or take partial control over the user's interaction with the computer, without the user'sinformed consent

While the term spyware suggests software that secretly monitors the user's behavior, the functions of spyware extend well beyond simple monitoring spyware programs can collect various types of personal information, such as Internet surfing habits, sites that have been visited, but can also interfere with user control of the computer in other ways, such as installing additional software, redirecting Web browser activity, accessing websites blindly that will cause more harmful viruses, or diverting advertising revenue to a third party spuware can even change computer setting, resulting in slow connection speeds, different home pages, and loss of Internet or other programs. In an attempt to increase the understanding of spuware, a more formal classification of its incaluded software types is captured under the term privacy-invasive software.

In response to the emergence of spyware, a small industry has sprung up dealing in anti spyware software. Running anti-spyware software has become a widely recognized element of computer security best practices for Microsoft Windows desktop computers. A number of jurisdictions have passed anti-spyware laws, which usually target any software that is surreptitiously installed to control a user's computer. The US Federal Trade Commission has placed on the Internet page of advice to consumers about how to lower the risk of spyware infection, including a list of "dos" and "don'ts.

Thursday, February 11, 2010

Boot sector virus repair


What is a boot sector? All disks and hard drives are divided into small sectors. The first sector is called the boot sector and contains the Master Boot Record (MBR). The MBR contains the information concerning the location of partitions on the drive and reading of the bootable operating system partition. During the bootup sequence on a DOS-based PC, the BIOS searches for certain system files, IO.SYS and MS-DOS.SYS. When those files have been located, the BIOS then searches for the first sector on that disk or drive and loads the needed Master Boot Record information into memory. The BIOS passes control to a program in the MBR which in turn loads IO.SYS. This latter file is responsible for loading the remainder of the operating system.

What is a boot sector virus? A boot sector virus is one that infects the first sector, i.e. the boot sector, of a floppy disk or hard drive. Boot sector viruses can also infect the MBR. The first PC virus in the wild was Brain, a boot sector virus that exhibited stealth techniques to avoid detection. Brain also changed the volume label of the disk drive.

How to avoid boot sector viruses. Commonly, infected floppies and subsequent boot sector infections result from "shared" diskettes and pirated software applications. It is relatively easy to avoid boot sector viruses. Most are spread when users inadvertently leave floppy disks in the drive - which happen to be infected with a boot sector virus. The next time they boot up their PC, the virus infects the local drive. Most systems allow users to change the boot sequence so that the system always attempts to boot first from the local hard drive (C:\) or CD-ROM drive.

Disinfecting boot sector viruses. Boot sector repair is best accomplished by the use of antivirus software. Because some boot sector viruses encrypt the MBR, improper removal can result in a drive that is inaccessible. However, if you are certain the virus has only affected the boot sector and is not an encrypting virus, the DOS SYS command can be used to restore the first sector. Additionally, the DOS LABEL command can be used to restore a damaged volume label and FDISK /MBR will replace the MBR. None of these methods is recommended, however. Antivirus software remains the best tool for cleanly and accuarately removing boot sector viruses with minimal threat to data and files.

Creating a system disk. When disinfecting a boot sector virus, the system should always be booted from a known clean system disk. On a DOS-based PC, a bootable system disk can be created on a clean system running the exact same version of DOS as the infected PC. From a DOS prompt, type:

    SYS C:\ A:\

and press enter. This will copy the system files from the local hard drive (C:\) to the floppy drive (A:\).

If the disk has not been formatted, the use of FORMAT /S will format the disk and transfer the necessary system files. On Windows 3.1x systems, the disk should be created as described above for DOS-based PC's. On Windows 95/98/NT systems, click Start | Settings | Control Panel | Add/Remove Programs and choose the Startup Disk tab. Then click on "Create Disk". Windows 2000 users should insert the Windows 2000 CD-ROM into the CD-ROM drive, click Start | Run and type the name of the drive followed by bootdisk\makeboot a: and then click OK. For example:

    d:\bootdisk\makeboot a:
Follow the screen prompts to finish creating the bootable system disk. In all cases, after the creation of the bootable system disk, the disk should be write protected to avoid infection.

Saturday, February 6, 2010

Learn PhotoShop Online - Basic PhotoShop Tutorials for PhotoShop Interface

If you're trying to learn PhotoShop online from PhotoShop Tutorials , the best place to start is with the graphic user interface (GUI). PhotoShop’s GUI is broken into five sections that are presented in this PhotoShop Basic Tutorial.

The first section is probably the most familiar. It is called the menu bars, which like most programs, are found, at the top of the interface. The menu bar allows you to access different menus to perform all of PhotoShop’s various functions such as saving, resizing, layers, filters, and more. Although you can find everything you need in the menu bar, there are many shortcuts you can access or even create to save you time.

The second section, going downward, is the options bar. This bar changes as you select different tools, but basically it is where you can refine the tools with different options (hence the name) into what you most need. For instance, this is where you would make your brushes bigger or smaller.

Below the options bar is the Tools. As the name suggests, this is where you can find all of the tools that you need to create your digital masterpieces. The tool bar has many fun items to be explored like the magic lasso tool or all of your different brushes. There are keyboard shortcuts that can be used or created to access most of these tools.

To the far right is the Palette walled where there are different boxes to help give you information. This includes the info palette, the history palette, as well as other palettes that help you control you composition. One of the important palettes you can find here is the layer comps palette, which basically tells you what, is on each layer of the composition.

Finally, there is the document window or composition, which is usually in the middle or sometimes on another screen (if you're using multiple monitors). This is where you control and work on your creations, so it's basically like your digital canvas.

In order to learn PhotoShop online from PhotoShop Tutorials you need to be familiar with the interface. This will make it easy for you to follow the different videos or courses you use. If you're unsure of what course to use, I recommend PhotoShop by Example, which is a great way to quickly master the basics of PhotoShop

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