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MarceloRivero's profile
Marcelo Rivero
Marcelo Rivero
Marcelo Rivero
@MarceloRivero

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Marcelo Rivero

@MarceloRivero

Threat Intelligence Analyst @Malwarebytes - focusing on ransomware ● ex-Microsoft MVP ● Founder of @InfoSpyware 🕵️ ● Tweets are my own (English/Spanish)

Miami | Uruguay
mvp.microsoft.com/en-us/PublicPr…
Joined March 2008

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    1. Marcelo Rivero‏ @MarceloRivero 21 Jun 2017

      #Locky #Ransomware it's back! 🧐 now adds ".loptr" file extension to encrypted files, and the note: loptr-????.htm (only works in Windows XP)pic.twitter.com/xpkiRPD7ez

      2 replies 43 retweets 25 likes
    2. Michael Gillespie‏ @demonslay335 21 Jun 2017
      Replying to @MarceloRivero

      That's the extension they last used before going dark. Have it defined on IDR since May 10th

      1 reply 0 retweets 5 likes
    3. Toffee‏ @PolarToffee 21 Jun 2017
      Replying to @demonslay335 @MarceloRivero

      Toffee Retweeted Toffee

      Yes, I tweeted about it back then :)https://mobile.twitter.com/PolarToffee/status/862375490514034688 …

      Toffee added,

      Toffee @PolarToffee
      Continuing the Norse mythology, looks like Locky may be switching to .loptr extension and loptr-*4characters*.htm pic.twitter.com/gyd51W8PHq
      3 replies 0 retweets 3 likes
      Marcelo Rivero‏ @MarceloRivero 21 Jun 2017
      Replying to @PolarToffee @demonslay335

      .locky - Feb 2016 .zepto - Jun 2016 .odin - Sep 2016 .shit, .thor - Oct 2016 .aesir - Nov 2016 .zzzzz, .osiris - Dec 2016 .loptr - May. 2017

      4:28 PM - 21 Jun 2017
      • 3 Retweets
      • 9 Likes
      • AVKGuru Vitali Kremez GrujaRS Amigo-A InfoSpyware TMMalAnalyst Marcelo Rivero Michael Gillespie yassine lemmou
      3 replies 3 retweets 9 likes
        1. New conversation
        1. TMMalAnalyst‏ @tmmalanalyst 21 Jun 2017
          Replying to @MarceloRivero @PolarToffee @demonslay335

          Thank you for your information. ".zzzzz" extensions, I have confirmed it from Nov-24,2016(JST) in my observation.pic.twitter.com/XYhtCMVG1u

          2 replies 0 retweets 0 likes
        2. ねこさん ⚡(ΦωΦ)‏ @catnap707 21 Jun 2017
          Replying to @tmmalanalyst @MarceloRivero and

          Locky POST requestspic.twitter.com/hUjXiLNQpW

          1 reply 0 retweets 1 like
        3. Show replies
        2. New conversation
        1. Amigo-A‏ @Amigo_A_ 22 Jun 2017
          Replying to @MarceloRivero @PolarToffee @demonslay335

          .osiris + April 2017

          1 reply 0 retweets 1 like
        2. Marcelo Rivero‏ @MarceloRivero 22 Jun 2017
          Replying to @Amigo_A_ @PolarToffee @demonslay335

          Marcelo Rivero Retweeted Marcelo Rivero

          .Osiris variant reappeared in April 2017: https://twitter.com/MarceloRivero/status/855517638633684992 … But its first .Osiris is from Dec 2016:https://twitter.com/MarceloRivero/status/805789654679244804 …

          Marcelo Rivero added,

          Marcelo Rivero @MarceloRivero
          #LOCKY #ransomware: nueva variante del Ransom.Locky ahora agrega la extensión: ".OSIRIS" a los archivos cifrados y la nota OSIRIS-[???].htm pic.twitter.com/fGfi8RxW6z
          1 reply 0 retweets 0 likes
        3. Show replies
        3. New conversation
        1. Vitali Kremez‏ @VK_Intel 22 Jun 2017
          Replying to @MarceloRivero @PolarToffee @demonslay335

          Marcelo, what are/if any similarities or differences you have observed #Locky vs #Jaff (beyond the same or similar actors involved)?

          1 reply 0 retweets 0 likes
        2. Vitali Kremez‏ @VK_Intel 22 Jun 2017
          Replying to @VK_Intel @MarceloRivero and

          Trying to see if there is any overlap b/w two of the variants. Obviously, config/requests are different. Curious what you think.

          1 reply 0 retweets 0 likes
        3. Show replies

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