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Autorun-Based Threats Account for 12% of Global Infections in Q1 2012Threats Persist Despite Years of Software Updates (May 01, 2012)
BUCHAREST, ROMANIA -- (Marketwire) -- 05/01/12 -- More than four years after Autorun was eliminated from operating systems, worms that take advantage of the antiquated feature account for more than 1 of every 10 computer infections worldwide, according to Bitdefender research.
Autorun-based threats, spread when users insert infected USB sticks without checking them for viruses, caused a whopping 12 percent of global infections in the first quarter of 2012. The threat persists even though the Autorun feature was eliminated from operating systems starting with Windows Vista SP1 in 2008.
"The magnitude of this threat -- so many years after it should have disappeared -- is astonishing," said Catalin Cosoi, chief security researcher, Bitdefender. "Some of the heavy-hitters of the virus world, such as Downadup and Stuxnet, spread this way -- prevention should be a simple matter."
The mass introduction of USB storage devices and the apparition of the Autorun feature in Windows have been widely exploited since the early 2000s. Within five years, Autorun worms reached epidemic proportions autorun-based threats have dominated the malware landscape report since.
USB Immunizer: Tell Viruses Where to Stick It
Bitdefender, the innovative provider of computer security solutions, has finished an overhaul of its USB Immunizer, which disables autorun-related threats before they access the computer and makes your USB stick immune to such malicious behavior.
"You never know for certain where a USB stick may have been. It is worth making a habit of checking your portable drives," said Adina Jipa, product marketing manager at Bitdefender USB. "Especially as a simple, and free, solution is available to this persistent, nagging problem."
In its first overhaul of USB Immunizer, Bitdefender has added functions that make it easy to immunize multiple sticks or storage devices at once and an intuitive interface that lets you click-and-immunize among other upgrades. Bitdefender's advanced security technology ensures it's always updated against the latest threats.
5 facts about Autorun-based malware:
1 - The Autorun.inf file is not malicious itself. It is used by some families of malware that copy themselves on USB sticks to force the computer to automatically execute them when an infected stick is plugged into a Windows-based PC.
2 - Among the most important families of malware that use the Autorun exploitation to spread are Stuxnet, Downadup, Sality, Rimecud or OnlineGames.
3 - Autorun-based malware can copy itself on MP3/MP4 players, mobile phones, SD cards (such as those in digital cameras) and other devices. When plugged in other PCs, the malware is executed automatically.
4 - Since autorun.inf files are plain-text files that can be opened and analyzed, malware creators obfuscate their creations to make them unreadable by humans. However, this is also their weak point. This degree of obfuscation is uncommon in text files and triggers AV detection.
5 - Trojan.AutorunInf (a detection that intercepts rogue autorun.inf files) has been the number one source of infection for more than three years in a row. During this time, it has helped various malware families infect millions of computers worldwide.
For a full description of the advantages and options of Bitdefender USB Immunizer, see www.bitdefender.com/freetools/
Bitdefender is the creator of one of the world's fastest and most effective lines of internationally certified internet security software. Since 2001, the company has been an industry pioneer, introducing and developing award-winning protection. Today, Bitdefender technology secures the digital experience of around 400 million home and corporate users across the globe.
Recently, the company won a range of key independent recommendations in the US, UK and across Europe, including ConsumerSearch, Stiftung Warentest and Taenk. Bitdefender antivirus technology has also finished top in leading industry tests from both AV Test and AV-Comparatives. More information about Bitdefender's antivirus products is available from the company's security solutions press room. Additionally, Bitdefender publishes Malware City providing the latest updates on security threats and helping users stay informed in the everyday battle against malware.
Horn Group for Bitdefender
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