CoinHive - Reading Assignment

[Dimitar_Stefanov]

1. Hashrate drop after hard fork + price drop during the year
2. Use the target machine as a mining tool.
3. Coinhive

[andrewfleming]

1. What two factors caused CoinHive to become economically inviable?
The two factors that caused CoinHive to become economically inviable include Monero dropping 85% in price and Monero’s hard fork/algorithm update.

2. What is cryptojacking?
Cryptojacking is using another user’s computing power to clandestinely mine cryptocurrencies.

3. What was the #1 most-wanted malware for 2018?
The #1 most-wanted malware of 2018 was indeed CoinHive.

[rickyd]

1. What two factors caused CoinHive to become economically inviable?
   -50% drop in XMR hash rate following latest hard fork
   -85% drop in XMR value

2. What is cryptojacking?
   Cryptojacking is embedding mining malware in apps, using others’ computers to mine without their knowledge or permission.

3. What was the #1 most-wanted malware for 2018?
   According to CheckPoint, in 2018 the top 3 malware were all CoinHive related.

[jopo]

A 50% drop of the hash rate after a hard fork and a market drop.

It means to run monero mining software on somebody’s computer without his knowledge.

It was secret mining-software.

[Samm]

1. Drop off in hash rate after Monero hard fork and being used in cryptojacking attacks on unsuspecting users.

2. Cryptojacking is where a web server contains a piece of crypto mining software that gets installed by unsuspecting web browser users to unknowingly mine crypto using the resources on their PC.

3. Any malware based on Coinhive crypto mining software.

[dAnijboned]

1. What two factors caused CoinHive to become economically inviable?
   Monero hard fork and consequent 50% drop in hash rate and cryptocurrency market drop off (with Monero losing 85% of it’s value).

2. What is cryptojacking?
   “Stealing” computer resources for mining purposes using web applications that run on the user’s browser.

3. What was the #1 most-wanted malware for 2018?
   Cryptojacking related malware using Conihive.

[kato]

1. What two factors caused CoinHive to become economically inviable?

• The drop in Cryto price and the inherentance of malicious code

2. What is cryptojacking?

• Hacker use your computer to mine cryptocurrency without your approval.

3. What was the #1 most-wanted malware for 2018?

• cryptojacking-related with Coinhive

[Adam_Smith]

1. Monero’s hardfork and 85% drop in price
2. incognito mining cryptocurrency with software on someone else’s computer
3. Cryptojacking malware.

[arod773]

Q1 :A 50% drop in the hash rate and a 85% drop in the market.

Q2: Crypto-jacking is when you send malicious code to a system of your choosing in order to compromise its computing power for your mining needs.

Q3: CoinHive

[KryptoDr]

1. One reason was the at that time latest hard fork of Monero which resulted in a drop of the hash rate of over 50 %. The other reason was the general big sell off in cryptocurrencies which caused a drop in the value of Monero´s price of about 85 %.

2. Cryptojacking means that attackers installing unnoticeabled (in the background) a “software” on your computer, tablet, mobile phone or other connected devices which then mines cryptocurrencies for the cybercriminals.

3. Cryptojacking related to Coinhive

[Mucha_Julius]

1. a) Among the reasons behind the closure, the developers note the over 50 percent drop in hash rate following the last Monero (XMR) hard fork.
   b) The service was reportedly also hit by the cryptocurrency market drop off , with the value of XMR slumped over 85 percent within a year.

2. Cryptojacking is an emerging form of malware that hides on your device and steals its computing resources in order to mine for valuable online currencies.

3.Coinhive

[SparkPath]

1. a) a more than 50% drop in the Monero hash rate

   b) an 85% drop in XMR value

2. It is the unauthorized takeover of a hosts computer in order to mine a cryptocurrency, often causing the computer to become unresponsive and to lose battery life.

3. The top three most-wanted malware strains for 2018 were all forms of cryptojacking related to CoinHive.

[gdoujaiji1]

1. developers note the over 50 percent drop in hash rate following the last Monero hard fork. Value of XMR slumped over 85 percent by the cryptocurrency market drop off.
2. Cryptojacking is an emerging form of malware that hides on your device and steals its computing resources in order to mine for valuable online currencies.
3. Most wanted malware strains were all cryptojacking-related with Coinhive.

[qh.w]

1. What two factors caused CoinHive to become economically inviable?

• the developers note the over 50 percent drop in hash rate following the last Monero (XMR) hard fork
• hit by the cryptocurrency market drop off , with the value of XMR slumped over 85 percent within a year

2. What is cryptojacking?
   Coinhive is a JavaScript-based digital currency mining service that banks on a computer code to be installed on websites. Once installed, the service uses some of the computing power of a browser that loads the site in question. Although Coinhive is not an inherently malicious code, it has become popular among hackers for cryptojacking.

3. What was the #1 most-wanted malware for 2018?
   cryptojacking, the top three most wanted malware strains were all cryptojacking-related with Coinhive

[ibin]

1 - What two factors caused CoinHive to become economically inviable?

CoinHive became economically inviablenote due to the fact that the hash rate dropped over 50 percent, following the last Monero (XMR) hard fork.
Also, the service was reportedly also hit by the cryptocurrency market drop off , with the value of XMR slumped over 85 percent within a year.

2 - What is cryptojacking?

Cryptojacking is an attack performed on, an unsuspecting, victim’s computer/mobile phone secretly mine cryptocurrency, at the victim’s expense. The attacker does not invest in his own dedicated cryptomining systems.

3 - What was the #1 most-wanted malware for 2018?

Coinhive

[Mrbryce]

1. CoinHive became economically inviable due to the XMR hard fork and loss in the value of XMR by 85%.

2. Cryptojacking is where software is installed onto a device without the owners knowledge and begins mining for cryptocurrancies.

3. The number 1 most-wanted malware in 2018 was crypto-jacking malware related to CoinHive.

[CryptoInMyMind]

1. What two factors caused CoinHive to become economically inviable?

• A 50% drop in XMR hashrate, as well as a general cryptocurrency market drop off.

2. What is cryptojacking?

• Tricking people to run mining software on their PC.

3. What was the #1 most-wanted malware for 2018?

• Coinhive.

[joscha]

#1 - What two factors caused CoinHive to become economically inviable?
A price drop of 85% a year of XMR and the new POW-Algorithm for XMR

#2 - What is cryptojacking?
Using the CPU of webvisitors for mining

#3 - What was the #1 most-wanted malware for 2018?
Cryptojacking-related with Coinhiv

[samjd]

1. CoinHive became not economically viable when the Monero hard for caused a drop in 50% of the hash rate and that the whole market tanked, causing a drop in price.
2. Cryptojacking is hijacking someone’s browser javascript XMR mining code; stealing your victims CPU for your mining rewards.
3. Cryptojacking with coinhive was most-wanted malware for 2018

[Filippo]

1. The over 50% drop in hash rate and the cryptocurrency market drop off, with the value of XMR slumped over 85 percent within a year.
2. Cryptojacking is a type of malware that, once it enters your computer, steals the computing power to mine digital currencies.
3. Coinhive (cryptojacking).