LockerGoga-Ransomware.pdf

LockerGoga-Ransomware.pdf - Norweign Metal Company hacked...

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Norweign Metal Company hacked by LockerGoga Ransomware Introduction On March 19th, 2019, Norsk Hydro, an aluminum manufacturing company in Norway was hit by ransomware called LockerGoga. The company announced that they were not able to connect to some of the automated production sites and were forced to run in manual mode (Solsvik 2019). Ransomware A Ransomware is a computer virus that denies system-wide access to the user or holds the files as the hostage and demands a ransom (Ganorkar & Kandasamy 2017). The Ransomware that locks out the system or user-interfaces is termed as Locker Ransomware and another kind of ransomware which encrypts the files and denies their access to the user are called as Crypto Ransomware. LockerGoga - A Crypto Ransomware? The LockerGoga ransomware falls under the category of Crypto Ransomware because it encrypts each file of the system using strong encryption, such as AES-256, thereby denying access to these files (see figure 1). But the virus also can be classified as a Locker Ransomware because, upon installation, the said virus modifies the passwords of the users and kicks out all the users from the affected system and taking control of the system entirely before it proceeds with the locking of files. Figure 1. LockerGoga Encrypted Files (Jackson 2019)
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LockerGoga creates a text file with a ransom note (see figure 2) demanding payment in bitcoins. Figure 2. LockerGoga Ransome note (TrendMicro 2019) The unique aspects of LockerGoga that makes it a tough virus to detect and crack are: 1) It can encrypt most known file-types such as doc,xls,ppt, etc. which are used in most businesses,
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  • Three '19
  • Computer Security, Encryption, IEEE Computer Society, LockerGoga Ransomware, LockerGoga

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