Silver Fox Trojan Reappears After Antivirus Cleanup: Disconnect First, Switch Devices, Change Passwords, Then Determine Whether Persistence Was Left o

When antivirus repeatedly detects and removes a threat that keeps coming back, the cause is usually not that the antivirus is ineffective, but that persistence items were not fully removed or the intranet/C2 channel is still re-delivering it. This article gives the priority order: disconnect from the network, change passwords on a clean device, and check funds; explains the host-side and network-side reasons for the Trojan's recurrence; describes when cleanup is enough versus when to back up pure data and reinstall; and what extra steps are needed for financial computers.