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Oman National CERT Towards a safe cyber environment

" Red Chungu" Training

For the first time in Oman ARCC is conducting the "Red Chungu" Training in Oman from 10 Sep 2017 to 14 Sep 2017

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6th Regional Cyber Security Summit

6th Regional Cyber Security Summit

Date : 20th to 21st November 2017 ... Location : Sheraton Oman Hotel, Muscat

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4th Oman National Cyber Drill

4th Oman National Cyber Drill

Date :23rd – 25th , October, 2017 ... Location : Grand Hormuz Hotel, Muscat

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OIC-CERT Annual Conference 2017

OIC-CERT Annual Conference 2017

Date : 6 – 9 November 2017 ... Location : Baku, Azerbaijan

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WannaCry Ransomware

WannaCry Ransomware

A major ransomware attack campaign hit computer systems and the attack appears to have affected a hundreds of private companies and public of organizations in several countries

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Ransomware Malware

OCERT Latest News

22/May/2016


Ransomware

Ransomware is a type of malwares that prevents users from accessing their files. The Ransomware encrypts the files with strong encryption algorithm. Furthermore, some Ransomware locks the PC screen. Most Ransomware encrypts the files with strong encryption algorithms which are hard to be decrypted. To decrypt and regain access to your files, Ransomware demand payment from you in the form of a "Bitcoin" ransom.


Impact:
  • Most ransomware encrypts the files with strong encryption algorithms which are hard to be decrypted. To decrypt and regain access to your files, ransomware demand payment from you in the form of a Bitcoin ransom.
  • Within last few weeks various types for ransomwares are spreading around the world.
  • The top two ransomwares spreading around the world:
    • “Locky”: New type of ransomwares, most of the incidents reported that malware received through email attachments. The ransomware encrypts the files and rename them with the extension “.locky”.
    • “CTB Locker”: an old type of ransomwares, but new reports shows that they currently targeting websites files.
    • There are other known type of malwares such as TeslaCrypt Ransomware, Trojan-Ransom.NSIS.Onion.jmc, Ransom.FileCryptor.FixExplorer,etc.
Affected Operating System & Version:
  • Windows
  • Android
  • MAC
  • Linux
Solution(s):
  • Use caution when opening email attachments.
  • Do not follow unsolicited web links in email.
  • Maintain up-to-date anti-virus software.
  • Conduct routine backups of important files, keeping the backups stored offline.
  • Keep your operating system and software up-to-date with latest patches.
  • If you infected by a Rasnsomware, isolate the infected machine from the network where possible to prevent the malware from spreading.
  • Use available Ransomware Removal tools.
  • Conduct email security awareness among your employees to avoid being infected by similar malicious emails.
  • You can refer to Oman CERT article on Email security
    http://www.cert.gov.om/library_articles_details_arabic.aspx?article=1
Reference(s):


  • News Archive