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[pre] [/pre] آینده به شما نزدیک است - ویروس جدید که روی مادربورد کامپیوتر تاثیر می گذارد
ترفندستان ● مرجع اخبار و اطلاعات کامپیوتری ، اینترنت ، موبایل و آنچه شما بخواهید
تاریخ : پنجشنبه 19 بهمن 1391
نویسنده : Mohsen Jamshidi Zarmehri
محققان امنیتی   یک ویروس جدید پیدا کرده اندکه  مادربرد کامپیوتررا آلوده،ودر عملکرد آن اخلال ایجاد میکند.
این ویروس توسط شرکت امنیتی سیمنتک شناسایی و معرفی شد. این شرکت اعلام کرده که ویروس مذبور در قالب تروجان وارد سیستم هدف شده و کنترل ورود و خروج بایاس سیستم را مختل مینماید

این ویروس به دلیل اینکه قبل از لود شدن سیستم عامل در اولین مرحله از لود Bios تاثیر میگذارد هیچ آنتی ویروسی قادر به شناسایی و حذف آن نیست بنابراین تنها راه رهایی از دست این عامل مخرب ویروس کشی دستی میباشد یعنی باید Bios سیستم هدف را ریست یا تخلیه و یا دوباره نصب نمایید.

Nasty new virus infects your PC motherboard

Security researchers have found a nasty new virus that borrows in to a computer’s motherboard, infects PCs as soon as they boot up, and is particularly difficult to detect and dispose of.

The security firm Symantec identified the threat as Trojan.Mebromi, a piece of rootkit malware — malicious software that hides its presence on infected systems — that worms its way onto the basic input-output system (BIOS) built into a computer’s motherboard.

Once it’s gotten into the BIOS via an attached corrupt file, Mebromi then loads itself onto the PC’s master boot record (MBR), another component that gets executed prior to the loading of a computer’s operating system.

Think of it in terms of the human body: Mebromi doesn’t infect the bloodstream on the way to the heart; it gets into the heart first and then takes control from there.

And as a doctor might toil to treat such a case, anti-virus companies could face a similar struggle.

Because Mebromi stores itself inside the BIOS, anti-virus software would need to effectively remove the Trojan without damaging the motherboard it’s hiding under.

Added to that problem is Mebromi’s persistence: it could potentially keep executing itself every time a user turns on his computer.

“Even if an anti-virus detects and cleans the MBR infection, it will be restored at the next system startup when the malicious BIOS payload would overwrite the MBR code again,” Marco Giuliani from the security company Webroot wrote.

To lower your risk of falling prey to this or any other computer viruses, make sure your computers and all other Internet-connected devices are equipped with anti-virus software



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