Redpills are discussing frantically what these so-called "Corrupted quests" will bring. Will the Assassin be brought back? Will you be able to kick corrupted-butt? a lot of things points to it, and these are the kind of questions players are asking themselfs.

The first item, called The Patchers Bandana, is a mid-lvl reward with a requirement level of 40. It gives you improved healing, Fly virus immunity, resistance to thrown, ballistic and melee damage and last but not least: Inner strenght cost reduction.

The Patchers bandana, in a creamy white color.

The second item that has currently been revealed, is a set containing a Bandana and a fedora-looking hat. The Devs wrote the following about it:
The collector known as "The Fumigator" wears his own unique headgear, available to high-level players completing the upcoming "Corrupted" quest. His combination custom-weave fedora and bandana "Patcher's Headgear" (glasses not included) has the following stats:

Required character level: 50

Grants and Upgrades:

Fly Virus Immunity
Thrown Resistance (33pts)
Melee Damage Resistance (33pts)
Heal and Upgrade Area Radius (40%)
Inner Strength Cost Reduction (10%)
Ballistic Damage Resistance (33pts)

Fumigator hat and bandana.