Based on the naming pattern, this appears to be a specific version (v5) of a modded WhatsApp client, likely created by a developer using the pseudonym "Malkh." While definitive and up-to-date information on this precise version is scarce, it can be understood as part of a broader category of WhatsApp mods.
The sender will only see the blue read-receipt ticks after you actually type and send a reply.
While the advanced features of a modded WhatsApp client like "ALM2WhatsApp - malkhwhatsapp - v5 - MOD APK" might be tempting, the security, privacy, and account stability risks are substantial and far outweigh the benefits.
: Users can typically hide their "Last Seen," "Blue Ticks," "Second Tick," and "Typing" status while still being able to see these statuses for others.