The markings on your cable are identical to the Sanoxy brand cable. They are still available on Amazon for $9.99 US. The description indicates no driver needed, and the reviews seem to back this up.
I have a similar-but-different low price cable that I just pulled out of my box of cables-I-don't-use and plugged it into my PC. When I plugged just the USB conector of the cable in, the indicator light on the cable glowed constant red. When I plugged the MIDI In connector into a controller and played it, the indicator light turned blue when I pressed a key.
Know none of this helps, but thought this MIGHT be useful...
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