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Friday, November 29, 2019

Malware is often dispensed through emails. One way to avoid infection is to filter out executable attachments in your email messages. For example, Microsoft Outlook traditionally hides files with names that have certain extensions. The list of unwanted file types has recently been expanded.

The "forbidden" file types blocked by Outlook on the web now include Java files (.jar and .jnlp), Python (.py, .pyc, .pyo, .pyw, .pyz and .pyzw), PowerShell (.ps1, .ps1xml, .ps2, .ps2xml, .psc1, .psc2, .psd1, .psdm1, .psd1 и .psdm1), digital certificate files (.cer, .crt and .der), as well as vulnerability exploits (.appcontent-ms, .settingcontent-ms, .cnt, .hpj, .website, .webpnp, .mcf, .printerexport, .pl, .theme, .vbp, .xbap, .xll, .xnk, .msu, .diagcab and .grp).

Source

As a result, the number of blocked file types has reached 142. That fact alone wouldn’t have been a sufficient reason for this publication; but we have alarming statistics indicating that

in the second quarter of 2019, 85% of spam messages contained links to download malicious files instead of traditional attachments.

Indexed Daily Malicious Message Volume by Attack Type, Q2 2019

Source

Spammers have realised that users are now wary of malicious attachments and serve recipients with bogus URLs far more often than ever before. After all, email clients can't filter out links.

#spam #email

The Anti-virus Times recommends

Use the Dr. Web Parental Control. It will prevent you from navigating to a bogus site.
Let SpIDer Gate check your Internet traffic for malware.
If you have a different anti-virus (not Dr. Web), at least verify the safety of the URLs you open with the Dr.Web Link Checker.

And of course, never open suspicious attachments. In previous AVT issues featuring the #spam hashtag, we told our readers how they could recognise spam emails.

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Comments

pigsy
14:12:42 2019-12-05

Malware attachments cannot be blocked in the U.K. because of zero hour contract work. This is agency work and you work to a contract which may end suddenly. Your payslip will be sent by e-mail and you never know which company is sending you the confirmation payslip or what format they may use ( pdf ) or ( Microsoft office ). Some may send you a link and demand that you log onto that website to download your latest payslip. You must keep track of your payslips or the agencies may short-change you or simply conveniently forget to pay you. Agency work zero hour contract work is now big business in the U.K. exploitation. They exist in all types of work in the U.K. from nurses and so on. You do not have a choice but to check those links or attachments in e-mails if you do not you may lose your money.

I use a personalised e-mail system and use Dr Web on a Linux desktop which scans the e-mails and then passes them on to smb: for the Windows workstations they then get scanned again on the Windows side by a different brand of virus scanner a double-check. stupid virus writers can make a hard life even harder so you have to be careful. Unfortunately because of my domain name i receive quite a lot of malware.

EvgenyZ
22:29:38 2019-11-29

Suspicious and strange emails I delete without reading.

Шалтай Александр Болтай Собкор
22:13:42 2019-11-29

Interesting and useful article.

razgen Собкор
21:37:13 2019-11-29

Trusting people are always enough

ka_s
20:52:17 2019-11-29

I always delete suspicious messages and never open suspicious attachments. In addition, I always use antivirus software.

Татьяна
19:04:15 2019-11-29

I delete most of the emails, but for the rest I rely on Dr.Web.

Toma
17:04:50 2019-11-29

Unfamiliar letters immediately delete, the "spam" folder is cleaned once a week, usually a week is hammered to the eyeballs.
Thank you for recommendations and protection!

Неуёмный Обыватель Собкор
14:21:30 2019-11-29

Use the Dr. Web products

Masha
14:04:41 2019-11-29

Spam of course comes. But Dr.The Web is always on guard! Will not let slip malicious files.

Dmur
09:59:42 2019-11-29

Such letters are removed. The Recommendations Of Dr.I follow.

Пaвeл Собкор
08:02:49 2019-11-29

Spam comes sometimes, delete. Thanks for the recommendations!

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