More than 1 million users need to scramble to protect their PCs


iStock 

More than 1 million users need to scramble to protect their PCs - International law enforcement authorities over the weekend took control of two hacker networks that have infected more than a million computers worldwide to steal banking information and lock devices until users pay a ransom, U.S. officials announced Monday. 

People should run security tests on their computers within the next two weeks, before the masters of the botnets have a chance to regain control, the United Kingdom’s National Crime Agency says. One malware-driven network, called “Gameover Zeus”, lifted banking credentials from as many as 1 million infected Microsoft Windows computers, to steal more than $100 million. The U.S. is home to the highest percentage of Gameover Zeus infections, at 13%, according to Mountain View, Calif.-based security company Symantec. 

The second seized network, built using Cryptolocker malware, kidnapped files. Cryptolocker took hold of more than 234,000 computers, about half of which were in the U.S. Its controllers demanded ransom payments from people, making an estimated $27 million in its first two months, according to the Justice Department. 


OS X Yosemite: Mac joins the iPhone club
Apple introduced the new OS X Yosemite on Monday, with features that make it much easier for Macs to get along with Apple’s all-star mobile devices, the iPhone and iPad. WSJ Personal Tech Columnist Joanna Stern explains. 

The computer network seizures spanned Canada, France, Germany, Luxembourg, the Netherlands, Ukraine and the United Kingdom, freeing more than 300,000 victim’s computers. The U.S. has charged 30-year-old Russian Evgeniy Bogachev, the alleged administrator of the Gameover Zeus botnet, with a 14-count indictment for conspiracy, computer hacking, wire fraud, bank fraud and money laundering. 

“Over the next few days and weeks, our investigators and prosecutors will work with private-sector partners to notify infected victims and provide links to safe and trusted tools that can help them rid themselves of Gameover Zeus and Cryptolocker and then close the vulnerabilities through which their computers were infected,” Assistant Attorney General Leslie R. Caldwell said at a press conference Monday. 

Malware that turns computers into bots — or robots that are part of a larger network called a botnet, like Gameover Zeus — can creep into computers in many ways, even when users don’t open the door by clicking on malicious links in spam or downloading funky applications and software. The U.S. Computer Emergency Readiness Team, a unit of the Department of Homeland Security that handles cybercrime, posted a list of antivirus and anti-malware software it recommends people run, in addition to changing passwords. 

People should heed the two-week warning issued by the U.K. agency, security experts say. That’s the amount of time they expect it would take criminals to regain control of the networks, says Vikram Thakur of Symantec’s security response team. 

Here are some experts’ tips to discern whether your computer is a bot: 

The website you’re on isn’t the one you opened 
A telltale sign that a computer has been compromised is when the website that pops up isn’t the same one a user attempted to open, says Symantec’s Thakur. Or, beware if you conduct a search using one engine but results appear in a different search engine or are unrelated to the query. 
Programs and the Internet are running unusually slowly 
Users of infected computers might notice a dramatic difference in how much time it takes to open programs or load websites, says Rami Essaid, CEO of Arlington, Virginia-based Distil Networks. The security company found in a report this year that bad bots doubled their presence last year to account for almost 24% of web traffic in the last quarter of 2013. Still, not every botnet will try to suck up resources from the zombie computers in its network. Botnets that simply look to scrape information — like Gameover Zeus, which lifted financial credentials — may not exhibit this symptom. 
Check the activity monitor 
What processes is the computer running? Open the task manager, sometimes called an activity monitor, to check what applications are running, particularly when you turn on the computer. Is an unfamiliar application automatically booting up each time the computer turns on? That’s a red flag, Essaid says. 
Log into your router to track activity 
A zombie computer that’s part of a botnet will run automatically even when a user isn’t working on the machine. Many routers provide usage reports that people can log into in the same way they logged in to set up the system. “If you don’t have anything scheduled to run on your laptop and the laptop is communicating constantly anyway, then that’s a very clear sign that something is automating that laptop,” Essaid says.
This article originally appeared in : You have just two weeks to protect your computer | marketwatch.com | By Priya Anand | June 8, 2014, 7:41 a.m. EDT




No comments:

Post a Comment

Abraham Lincoln Accident Acting Adele Adolf Hitler Ahok Air Susu Ibu Aisha Gaddafi Albert Einstein Alicia Keys Alien Amanda Knox American Idol Amitabh Bachchan Amy Winehouse Angelina Jolie Animal Anna Chapman Anti Islam Apple Archeology Arnold Schwarzenegger Artist Aung San Suu Kyi Autism Avatar Barack Obama Bencana Alam Berpelukan Biography Blake Fielder Blog Bollywood Bon Jovi Brad Pitt Britney Spears Brittany Murphy Broadway Bruce Willis Bryan Adams Buah - Buahan Budaya Cameron Diaz Carla Bruni Celebration Celebrity Cell Phone Charlie Sheen Christina Aguilera Christopher Tierney Computer Conspiracy Credit Card Criminal Cristiano Ronaldo David Cameron David Walliams Demi Moore Depression Diet Dinosaurs Disaster Discovery Economic Elin Nordegren Elton John Elvis Presley Evolution Facebook Famous Farrah Fawcett Fashion Fenomena Fidel Castro Film Finance Fisikologi Anak Frank Sinatra Games Gary Lineker Global Warming Grammy Awards Guns N' Roses Haji Halle Berry Harry Potter Health Helen Mirren Helena Christensen History Hoaxes Holiday Hollywood Home Hong Kong Hugo Chavez Humanity Humor Ibadah Ramadhan iChildren Innocence of Muslims Insomnia Insurance Internet Irina Shayk Isaac Newton James Franco Jane Fonda Janet Jackson Javier Bardem Jennifer Aniston Jennifer Lopez Jermaine Jackson Jesus Jewelry Jhon Terry Joaquin Phoenix John Lennon John Prescott Jokowi Journalism Julia Roberts Justin Bieber Karina Smirnoff Kate Middleton Katherine Heigl Katy Perry Kehamilan Kendra Wilkinson Kesehatan Payudara Kesehatan Rambut Kiamat Kim Kardashian King Abdullah King Abdullah II King Salman Korupsi Indonesia Kristen Stewar Lady Diana Lady GaGa Law Lee DeWyze Legend Leonardo DiCaprio Lifestyle Lily Allen Lindsay Lohan Lionel Messi Madonna Margaret Thatcher Mariah Carey Marilyn Monroe Mario Balotelli Mark Zuckerberg Marriage Mel Gibson Michael Jackson Michelle Obama Mick Foley Mick Jagger Mike Tyson Miley Cyrus Miranda Kerr Miss Universe Mistery Mitos dan Fakta Moammar Gadhafi Modelling Mona Lisa Money Mothers Music Mystery Naomi Watts Nelly Furtado News Nia Sanchez Nicolas Cage No Smoking Nuclear Obat - Obatan Olivia Newton-John's Oprah Winfrey Orang Kantoran Oscars Pamela Anderson Parent Paris Hilton Pasangan Hidup Patricia Neal Paul McCartney Pejabat Pendidikan Penelope Cruz Performers Permainan Anak Personality Photo Pippa Middleton Pisikologi Remaja Politics Pollution Prince Charles Prince Felipe Prince George Prince Harry Prince Philip Prince Salman Prince William Princess Princess Diana Princess Lilian Princess Victoria Producer Produk Kecantikan Queen Elizabeth Queen Helen Relationships Religion Ri Sul-Ju Ricky Martin Rihanna Rokok Rolling Stone Royal Baby Royal Family Salma Hayek Sandra Bullock Sarah Palin Scandal Science Scientists Selena Gomez Sepak Bola Serena Williams Shah Rukh Khan Sharon Stone Simon Cowell Songwriter Sophie Reade Space Spiritual Sport Storm Stress Suami Isteri Super Bowl Sylvester Stallone Taylor Swift's Technology Television Teroris Tiger Woods Tips and Tricks Tips Kesehatan Tips Komputer Tips Pria Tom Cruise Tony Curtis Top 10 Travel Van Halen Vatican Victoria Beckham Wedding Whitney Houston Woman World Cup Yahudi Yoga Zsa Zsa Gabor