Um novo relatório da Kaspersky Lab revelou o tipo comum a maioria das mensagens de spam que estavam a ser entregues em estado selvagem na 2017. Pelo visto, a percentagem de spam no tráfego de correio diminuiu para 56.63 por cento, qual é 1.68 percent less compared to 2016.
The country with the biggest amount of spam being distributed in the wild is the United States with 13.21 por cento. 40 percent of spam emails were less than 2 KB de tamanho, and the most common malware family located in spam emails was Trojan-Downloader.JS.Sload. 9 percent of unique users encountered phishing, a relatório showed.
Most Popular Spam Themes in 2017
Como sempre, e, como é o caso dos golpes on-line mais comuns na natureza, spam emails rely on hot topics to successfully trick potential victims. Researchers believe that this trend will continue to grow steadily. Alguns dos tópicos mais comuns em mensagens de spam em 2017 houve desastres naturais, como os furacões Irma e Harvey e o terremoto no México. Os golpistas que fingem ser da Nigéria continuaram a espalhar mensagens pedindo ajuda para obter a herança de parentes falecidos.
E-Mail Spam Based on Cryptocurrencies
Contudo, um tópico se destacou 2017, e é o tópico da criptomoeda. Havia muitas campanhas de spam criadas sobre o tópico mais quente do Bitcoin e altcoins.
Cryptocurrencies gained “a foothold in advertising spam and fraudulent mailings” throughout 2017. The all-so-typical spam campaigns themed with “earn from home” promises, financial pyramids, fake lottery wins, etc., are now replaced with the theme of crypto.
Outro crypto-related type of spam delivered throughout the course of last year is seminars held on blockchain technology. These seminars didn’t give many specifics with technical details but still gave promises to teach users to extract profits from crypto coins. As pointed out by Kaspersky Lab researchers, these spam messages are similar to the previously popular scams on making a profit on the stock exchange.
A particular type of crypto-related spam stems from cloud mining services. These services rent out the mining power of their own specialized data centers. Fake sites offering such services have emerged. If the user is tricked into paying for the service, they won’t receive mining power and won’t have their money returned. There is also a pyramid motif as the user is promised to receive mining income if they enlist other users.
2017 also saw plenty of fake websites masqueraded as cryptocurrency trading platforms. One way to recognize such a cunning site is that it only accepts investments with no way to withdraw. Além disso, the revenue usually is made to grow quickly, which makes the user invest more funds.
Another type of crypto-related scams involved fake services offering to exchange one coin for another, or convert the assets into real money. To lure victims, scammers use favorable exchange rates.
To stay protected against the threat of spam and the malware that is often carried within such messages, users should rely on adequate protection.
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