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And I mean your USB drive, because you can catch a bad bug. lately are very fashionable viruses spread through removable drives, one of which could be your pendrive , your external hard drive, your digital camera ... The

propagation mechanism is very simple to understand. You go with your USB and plug it into an infected computer. It infects your USB. You then you go with your USB to a computer sound and connect to it. From this point the computer that was healthy and not, and begin to infect all the USBs to be connected. Simple, right? In fact, all difficult to understand in this process is the joy and insouciance with which the owners of the USBs connect them to computers.

- Yes but I have antivirus, and I have updated, and the same happens at work, y. .. I'm safe, right?
- No, you're not.

Every day, hundreds of new viruses or variants of existing ones. In the more or less brief period of time until the antivirus maker is cosca turn, the virus grows and multiplies at home. This is the reason why that should antivirus update, this is the reason why some viral infections become epidemics, and this is the reason why most new viruses of this type will scoring a goal to your antivirus and meanders through your USB as soon as you connect to a computer infected.

- So, is there nothing I can do?
- Yes, but everything happens to know a little with how these things work.

The playback mechanism of these bugs is easy to understand. Everything is based on a file called 'autorun.inf ' you'll find in the root directory of your USB drive, if you are infected with one of these. Ojo! You see it does not mean you have a virus or not you see it means you do not have it. You'll have to make sure. Read on ... :-)

The autorun.inf is the file that controls the holy Autoplaying , the mechanism by Windows provides its (apparently, stupid) so that users can enjoy the contents of a CD, DVD or USB without having to do "nothing."
(I'm afraid that anyone who has seen enough users in the wild know why I'm quoting the "nothing".)
To see if your autorun is from friends or enemies, will have to open and watch your content. This can be done with Notepad or your favorite text editor: a text file. This would be a good time for you take a look at the Wikipedia article I linked earlier, so that you become familiar with the syntax that you'll encounter and you can understand. In short, what it contains one of these malicious files is a line that says to run another program (can be more than one), which is the virus. In typical Trojans that are transmitted in this way, this program will (usually) a hidden file in a hidden folder called RECYCLER (trash), but need not be. If you doubt whether this program is or is not a virus, it is best that you check with VirusTotal , this fantastic utility already told you about in the last article on the virus .

If on the other hand, do not see the autorun on your drive, you have to do is make sure you do not really have: may not be there or simply that Windows can not you what is showing. To that end, here are instructions on how show extensions and see all the files , two things that somebody decided not to default in Windows, to contribute more effectively to the spread of malware .

Finally, I will recommend the best protection mechanism against these threats I have ever known. I had my first flash memory: 128k a Commodore. It was a tiny eyelash in one of its sides, just as on the diskettes, prevented one of its two positions the writing on the unit. This is the best prophylactic there: a unit can not write, you can not infect . Apparently, manufacturers have decided that one of every thousand users concerned about the safety of its units are market share is too small to worry about placing the eyelash on their devices, so today is very difficult as finding them. Anyway, if your next purchase decision can take this into account, it will be good for you and be good for everyone.

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When appearances deceive you with

In all professions there are allegedly suspected skilled professionals, presumably honest and competent, and presumably others are less so. The computer we Fame allegedly being rare, although I fear that allegedly be like everyone else. I think I'm leaving it sufficiently clear that I have not yet allegedly tried anyone, but I will have some facts of which I witnessed recently. Where I work

used parties to report incidents for computer equipment. Where I work, there are still computers running Windows 98. Well, one of those parties informed of typical problem with Scandisk in Windows 98: every time you boot the system, the system says that there are bugs and releases the Scandisk Scandisk says none are found, and so always one and again.

Where I work, to resolve issues with computer equipment maintenance are some gentlemen in a foreign company. These gentlemen are intended to resolve as many incidents as quickly as possible, so go as fast as those persons appearing in those TV programs doing strange things very quickly in order to have his name inscribed in a book widely read by those who have their name inscribed in the book. Let's stay with the couplet: the maintenance have very little time and go very quickly. And we call this the Fact # 1. Scandisk

The tool is a basic Windows maintenance 98, so you probably already know it takes some time to pass it to your computer. To be exact, when you go through the area checking to make sure the disk is healthy and safe, the costs much Scandisk. Call this Fact No. 2.

not need to be a computer guru to know what we have said so far, not for the light of these facts will be a little strange to read in part settlement of the impact that Mr. maintenance has written something like scandisk the option to fix errors and a couple of times I rebooted the computer, verifying that the problem had been solved . So that, as I like paradoxes, as I read that a person with no time had spent so much time to a computer, immediately and with the purest spirit of festive fun and I went to see in situ the team that blew ...

When I found him calm and receptive. I rebooted with the affection and respect that it deserves an old machine. I waited with infinite patience that the system is unloaded and reloaded. Indeed, apparently the problem had been solved: the system and reported no faults or throwing the Scandisk.

For this is the time, ladies and gentlemen, the self-aggrandizement and remember how good it is to spend a few Minutillo to peruse these casters and willingness with which from time to time the guy gives the grilled PCSofía. Because, as the oldest and most attentive readers already know PCSofía ( early readers), writing in msconfig Start / Run ... we get the system setup program. And if we push the Advanced ... access a page of options, one of which is: Disable Scandisk after an improper shutdown . Any reader or reader can guess how they found this option after the passage of maintenance technician for the team? COOO-RREC-TO!

VFAT In a couple of bits (Clean Shutdown and Hard Disk Error) to indicate that the system is shut down properly and no errors on the hard disk. At startup, the system checks the values \u200b\u200bin these bits and throw the Scandisk if they have the correct value. By checking this option in the System Setup program, what we are saying is to ignore these indicators, ie not to do this check on startup. Whereupon, of course, rests with the user it later.

So I guess maybe what allegedly happened was that our dear maintenance technician allegedly thought that maybe it is not very good write to the part something like I left his ass in the air to the user against possible future problems with the system, instead of having solved the existing problem, but the system no longer touch their noses to the user over their silly error messages.

Anyway, honesty is the path I choose and recommend to look good at parties and users, customers, colleagues, neighbors, friends, family ... And do not forget

vitamins, and keep reading PCSofía mineralized, which breach of trust has always been, there is and I fear that it will remain. In computer science, too.

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To taste are the colors ... Save

As they say in Wikipedia , the first barrier of protection against viruses is user training. Anyway, if

• ... use the windows system,
• ... you or your computer you have some exchange of bits with something or someone that you not be you or your computer,
• ... and have at least half a brain they shelter behind some common sense,

then, you know (I hope): need an antivirus.

Yes, but ... what? That is the question!

When choosing an antivirus, you have to weigh several aspects:

• Effectiveness (which does not give false positives or false negatives)
• Efficiency (not excessively overload the system)
• Usability (easy to configure and use)
• Price (how much and how often you pay for it)

What is antivirus software? Where do I find? Here is a list of more than thirty antivirus programs with the link to official web sites: www.virustotal.com / en / sobre.html

If you could measure all aspects of these programs, come to the conclusion that none is the best in all aspects . And, more importantly, come to the conclusion that none offers a 100% guarantee , ie none detected all viruses.

In conclusion, that:

• tastes are colors for (none is "best")
• We can never be 100% sure (whatever "the one")

Both in one as for the other, you'll do very well (if you do not know already) the page I've named before: www.virustotal.com . Virus Total is a service via totally free website that allows you to scan any file that you suspect may be a virus or be infected. The process is as simple as the world, the page gives you the option to choose a file (Browse ... button), select your suspicious file (resident on your computer), hit "Send File" and since is. Now you only have to wait a bit. The page will tell you that your file probably is in the queue and the position. Not have to wait long. When you touch, will review all antivirus appearing on the list above . We report real-time evolution of the process. An impressive utility .

great thing about it is not just that often goes where your antivirus does not arrive, but it helps to compare the effectiveness of both. Everyone you try it, and everyone that comes to their own conclusions on whether the cinnamon made or not made to pay annually for their religious and antivirus payment.

To finish, I'll tell you if you of those who rely more of the payment programs of opensource but it hurts the pocket and is dedicated to hacking, you should take a look (at least) to ClamWin and Winpooch . They are free, there is no charge, and you avoid the inconvenience of piracy. And maybe you take a surprise comparing its effectiveness with programs payment. Steal of necessity may be morally excusable, but stealing is stealing and aggravated ignorance: in addition to a thief, silly. And no plan!

Stealing the alien take for themselves, or steal in any way whatsoever.