translated from Spanish: Hacking affects Pemex production control and billing

Petróleos Mexicanos (PEMEX) issued a statement on November 11 to report that they had “timely neutralized” cyberattack attempts, and that only less than 5% of computer equipment had been affected; but until Tuesday 12 the corporate Pemex area, on which institutional mail, the internal labor system, billing systems, hospitals and Pemex International Trade, depended. 
Find out: Hackers attack Pemex computer systems
Even Pemex’s iting employees sent Political Animal the notice that appeared on the oil company system, where instructions are given to retrieve the internal information “locked”, which is known as a “ransomware” and suggests extortion. 
When you open the computers and want to open a file, a notebook appears describing that the computer has been tapped and the files “encrypted”, so they appear with the ending “.locked”, which prevents them from accessing them. 
The notice gives seven instructions that include downloading the TOR browser, entering a web address where there are supposedly more steps to follow, and warning that this should be done within the first 48 hours after the intervention. 
Although The Pemex communication area was sought to consult on this information, there was no response. 
Meanwhile, Employees of Pemex de Veracruz and Mexico City said they could not even work, because the internet network was still disconnected.  
Therefore, they fear that this Wednesday, November 13, the fourteenth payday, they will not receive their salaries, as it is done through electronic transfers and receipts. 
This through the ASISTE system (Safe Attention of Information, Services and Procedures to Employees), the internal service where the job information of each employee is located, and where they can access each payment receipt, make procedures such as permits, loans, disabilities, promotions, etc. 
Until the night of this Tuesday, such a system could not be accessed. When entering the tab and employee code, the message “An error occurred on the server. Try again,” according to employees consulted by this means who sent the screenshot of it.
Political Animal It also sent emails to 10 Pemex employees and managers of customer service in general, Ethylene, the submanager of Diesel and Gasoline, of Gasoline Secondary Wholesale Management and up to the ASISTE support system, but there was no response.  
He was also in contact with employees to test sending and receiving emails through their institutional accounts, but they were not finalized, and sent a screenshot of their email, the last communication received on November 10.  
This was also confirmed by a Pemex contractor, who due to the inability to communicate with company officials by institutional mail, had to use the staff.
The affectations
At the Morelos Petrochemical Complex, in Coatzacoalcos, Veracruz, where ethylene and polyethylene are produced, among others, the quality of production could not be verified because it is done through an internal computerized system.
Although production occurred normally, product quality is always reviewed in real time to determine changes, if required, but because the entire network was disconnected, “it is occurring blindly,” says one of the employees consulted, but who asked that his name not be published to avoid retaliation. 
In addition, employees who came to make formalities at Pemex’s headquarters in Coatzacoalcos informed them that they could not either, because they had no system. 
Meanwhile, at Pemex Petroquímica also in Coatzacoalcos and where the industrial relations managements are located, Ethylene, Transformation, informed them from Sunday that they had to disconnect all their computers. 
Nor did the Oracle system where the invoices are made work either, i.e. no collections could be issued for the company, says another of the employees interviewed who also requested anonymity. 
They had first been informed that uninfected computers would be fitted with a “patch” to protect them, but on Tuesday they only put notices in offices warning that they were working to restore the company’s operation. 
Another employee of the Pemex hospital in Azcapotzalco in Mexico City said that they also received the instruction to disconnect everything, which prevented registering highs, appointments, issuing prescriptions, so everything was done to paper and pen. 
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Original source in Spanish