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virus

ILOVEYOU: The wrong kind of LoveLetter

A game with love: How the LoveLetter virus corrupted our tech by playing on our emotions.

Crime levels in England and Wales rise with cybercrime inclusion

There has been a sharp rise in crime levels in England and Wales as cybercrime data has been included in official statistics for the first time.

Mitos sobre malware #1: todo es virus

Existen muchos mitos sobre malware: quién los crea, qué tipos hay, si el phishing es malware… en esta serie de entregas buscaremos aclararlos y contarles más acerca de sus detalles.

Vulnerabilidades en dispositivos médicos: ¿qué tan expuesto estás?

Los últimos aportes tecnológicos en el campo médico han representado un verdadero incremento no sólo en la calidad de servicio brindado por entidades de salud, sino también en la calidad de vida de muchos pacientes con enfermedades crónicas de complejidad diversa. Tales mejoras vienen de la mano de nuevas funcionalidades en dispositivos médicos, que de

When malware goes bad: an historical sampler

A look back at malware failures, malicious code that did not work out as well as the folks behind it had hoped. Can malware spread to quickly for its own good? Can malware authors ever test their wares well enough to work perfectly?

Scary Code: Top 5 malware that kept researchers up at night

If sinister pieces of malicious code could rise from the dead on Halloween, which would be the most scary for antivirus researchers? Here are 5 contenders, with a variety of very nasty traits.

Versatile and infectious: Win64/Expiro is a cross-platform file infector

Recently, our anti-virus laboratory discovered an interesting new modification of a file virus known as Expiro which targets 64-bit files for infection. File-infecting viruses are well known and have been studied comprehensively over the years, but malicious code of this type almost invariably aimed to modify 32-bit files. One such family of file viruses, called

Small business cybercrime costs $6,000 a year, says British group

Cybercrime is costing small businesses an average of £4,000 ($6000) a year, according to the British Federation of Small Businesses (FSB). A report by the group found that 41 per cent of the FSB’s membership have been a victim of cybercrime in the past year. The most common threat is virus infections, with 20% of small businesses falling victim – while 8% have been victims of hacking and 5% have suffered security breaches.

ComboFix fixed: popular utility safe to use

ESET’s threat researchers received a surprise earlier this week when they began receiving reports from ESET LiveGrid that downloads of ComboFix, a tool popular with advanced users for removing malware, were detected as being infected by a variant of the Sality virus, Win32/Sality.NBA.

Scandal video of Justin Bieber: just don’t click here!

I received a “shared” messages from a friend about “a leaked scandal video of Justin Bieber and Selana Gomez” promising a “naked Justin Bieber”, with a Photoshopped picture, which we – for family-friendliness – censored a bit.

Stray cat used as bait in Japanese hacking plot

In a story that could be lifted direct from a Hollywood script, a Japanese hacker placed a memory card on the collar of a stray cat found wandering on an island near Tokyo.

ESET VIRUS RADAR mostra mapa de ameaças em tempo real

A ESET está na frente da luta global contra o malware, dia após dia. Acabamos de lançar a versão beta do novo ESET VIRUS RADAR – um mapa em tempo real que mostra o malware global interceptado nos computadores, por localização. Estes dados são recolhidos de milhões de usuários de soluções de segurança ESET que

Análisis técnico de ACADMedre.A

Mucho se ha estado hablando en los últimos días sobre el gusano utilizado para espionaje industrial ACAD/Medre.A, el siguiente articulo detallara el accionar que tiene dicho gusano para cumplir con su cometido. ACAD/Medre.A es un gusano escrito en AutoLISP, una variante del lenguaje LISP usado en AutoCAD. A grandes rasgos, el código malicioso realiza las

Cinco conselhos para controlar uma infecção por malware

Atualmente existem diversas ameaças que circulam pela rede com a finalidade de infectar a maior quantidade de sistemas possível. Uma vez realizada a infecção, o malware executa tarefas específicas de acordo com sua categoria. Muitas vezes o usuário é infectado por algum tipo de malware devido a algum descuido ou simplesmente por não tomar as

Malware em 2011 para Mac e a educação dos usuários

No Laboratório de Pesquisa da ESET América Latina, sempre afirmamos que um dos pilares para alcançar o uso mais seguro dos computadores e dispositivos móveis é a educação dos usuários. Pelo mesmo motivo, as empresas de T.I. devem se esforçar para melhorar a segurança de suas plataformas e produtos. Entretanto, se a pessoa não adota

The Induc Virus is back!

ESET has discovered a new version of the Delphi infector, Win32/Induc. Unlike its predecessors, however, this variant incorporates a seriously malicious payload and has acquired some extra file infection and self-replicative functionality. Two years ago, we published comprehensive information (here , here, and here) about the virus Win32/Induc.A, which infected Delphi files at compile-time. Though

The more things change, the more they stay the same

It's something of a truism, that 'old viruses never die', and that certainly seems to be the case for some of the older, more widespread, email worms. In this interview (http://www.signonsandiego.com/uniontrib/20041129/news_lz1b29five.html) back in 2004, I talked about an email worm called "Win32/Zafi.b" which, at the time, had recently been spreading on a global scale. However,

Nueva generación de botnets: TDL4 / TDSS

Como sabemos, cada cierto tiempo (cada vez menor) el nivel de sofisticación del malware aumenta. Nuevas técnicas y métodos de evasión y de propagación son desarrolladas por los creadores de malware día a día. Luego de que el famoso gusano Stuxnet fuera descubierto a mediados del año pasado y su complejo funcionamiento e intenciones fueron

Yesterday’s Virus Hoax is Today’s Fake Utility

One of the (few) blessings of having been so long in this industry is that I remember a time when most malware was viral and Trojans were rare: so rare, in fact, that there was at one time a notorious "dirty dozen" set of Trojans.  At around the same time, there were innumerable hoaxes describing malware with

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