I am having issues with this as well, for over a year!
There have been weekly charges to either MYWEB DHORO SAGIT or DHORO SAGIT DAY without any text message to go with it so no number or company to cancel from. Vodafone customer services both on 191 and online chat have said they would cancel from their end but this never worked and the charges kept coming. They also activated a premium rate services bar, but that also did nothing.
I tried contacting Phonepay Plus (now psauthority) but they said the service was an "own-portal service" under control of the mobile operator and to contact Vodafone. I gave up for a bit.
Then in Feb this year I contacted online chat again and they say they will cancel it for good this time. The charges continued.
Today I called Vodafone customer services, they are still unable to locate who is charging me but insist it is a "service" that I would have subscribed to (I haven't) and I would need to contact the company to cancel the service and request refund. Only problem is I don't know who this company even is.
Today's "solution" was to apply a Charge to bill bar to the number in question, which will (apparently) stop the charges but will also stop any other subscription ability should I decide to use it in the future and any removal of the bar will result in the charges coming back. I'm not however holding my breath this will stop the charges.
On the plus side vodafone have refunded me most of the charges so far.
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tl;dr Ask for a Charge to bill bar it might stop the charges but will also prevent you from using any other charge to bill services such as Google Play or mobile charity donations. And be persistant you may get some of the charges back.
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