Antivirus software is not free of errors and sometimes reports computer viruses where there are none. For this reason, the company Procolored, a manufacturer of textile printers, indignantly defended itself against the report of a printer tester that the software of one of its devices contained a virus .

The testing official explained to Procolored that both Google Chrome and Microsoft Defender had triggered an alarm when the printer software was downloaded, and quarantined it.

Despite Procolored’s protests, the tester persisted. He sent the software to the security company G Data , a manufacturer of antivirus programs.

Upon investigation, it turned out that the printer software actually contained a backdoor virus called Xred and a Trojan.

When G Data then confronted Procolored wit

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