A long running HYIP called, Viscocorp, it has around for over 8 months now since February 2011. That is a rarity in the HYIP world. Most of them only last about 1 month or a few weeks. The reason for the success of this HYIP is probably due to its popularity and its many investment plans (some of them have been closed for investment now).

Here is the run down of the Viscocorp programs:

Daily Life Silver
Description : Interest send to your account daily after 24hrs of your invested date for life. As long as your deposit with us. You can withdraw deposit after 1 year.
Minimum Amount : 10.00
Maximum Amount : 4999.00
Daily Interest % : 0.80
Daily Life Gold
Description : Interest send to your account daily after 24hrs of your invested date for life. As long as your deposit with us. You can withdraw deposit after 1 year.
Minimum Amount : 5000.00
Maximum Amount : 14999.00
Daily Interest % : 1.00
Daily Life VIP
Description : Interest send to your account daily after 24hrs of your invested date for life. As long as your deposit with us. You can withdraw deposit after 1 year.
Minimum Amount : 15000.00
Maximum Amount : 50000.00
Daily Interest % : 1.50
Daily Silver (CLOSED)
Description : Interest send to your account daily after 24hrs of your invested date for 100 days.
Minimum Amount : 5.00
Maximum Amount : 4999.00
Daily Interest % : 1.50
Daily Gold (CLOSED)
Description : Interest send to your account daily after 24hrs of your invested date for 150 days.
Minimum Amount : 5000.00
Maximum Amount : 9999.00
Daily Interest % : 2.00
Daily Platinum (CLOSED)
Description : Interest send to your account daily after 24hrs of your invested date for 200 days.
Minimum Amount : 10000.00
Maximum Amount : 49999.00
Daily Interest % : 2.50
Daily VIP (CLOSED)
Description : Interest send to your account daily after 24hrs of your invested date for 300 days.
Minimum Amount : 50000.00
Maximum Amount : 100000.00
Daily Interest % : 3.00
6 Months Premium
Description : Interest 7% will be sent to your account daily for 180 days. Available withdraw after 180 Days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once reached the limit.
Minimum Amount : 100.00
Maximum Amount : 50000.00
Daily Interest % : 7.00
120 Days Premium (CLOSED)
Description : Interest 8% will be sent to your account daily for 120 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once the units sold out. 1 unit = $250.
Minimum Amount : 250.00
Maximum Amount : 25000.00
Daily Interest % : 8.00
90 Days Silver
Description : Interest 10% will be sent to your account daily for 90 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once the units sold out. 1 unit = $500.
Minimum Amount : 500.00
Maximum Amount : 4500.00
Daily Interest % : 10.00
90 Days Gold
Description : Interest 15% will be sent to your account daily for 90 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once the units sold out. 1 unit = $500.
Minimum Amount : 5000.00
Maximum Amount : 25000.00
Daily Interest % : 15.00
5 Days Silver (CLOSED)
Description : Interest 22% will be sent to your account daily for 5 days. Total 110% return. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once reached the investment limit.
Minimum Amount : 10.00
Maximum Amount : 4999.00
Daily Interest % : 22.00
5 Days Gold (CLOSED)
Description : Interest 23% will be sent to your account daily for 5 days. Total 115% return. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once reached the investment limit.
Minimum Amount : 5000.00
Maximum Amount : 15000.00
Daily Interest % : 23.00
30 Days Silver
Description : Interest 15% will be sent to your account daily for 30 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once the units sold out. 1 unit = $500. Minimum 1 unit.
Minimum Amount : 500.00
Maximum Amount : 9500.00
Daily Interest % : 15.00
30 Days Gold
Description : Interest 17% will be sent to your account daily for 30 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once the units sold out. 1 unit = $500. Minimum 20 units.
Minimum Amount : 10000.00
Maximum Amount : 24500.00
Daily Interest % : 17.00
30 Days VIP
Description : Interest 20% will be sent to your account daily for 30 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once the units sold out. 1 unit = $500. Minimum 50 units.
Minimum Amount : 25000.00
Maximum Amount : 50000.00
Daily Interest % : 20.00
10 Days SIlver
Description : Interest 17% will be sent to your account daily for 10 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered.
Minimum Amount : 250.00
Maximum Amount : 14999.00
Daily Interest % : 17.00
10 Days Gold
Description : Interest 18% will be sent to your account daily for 10 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered.
Minimum Amount : 15000.00
Maximum Amount : 50000.00
Daily Interest % : 18.00
10 Days VIP
Description : Interest 20% will be sent to your account daily for 10 days. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered.
Minimum Amount : 50000.00
Maximum Amount : 100000.00
Daily Interest % : 20.00
VISCO Promo
Description : Interest 10% will be sent to your account daily for 20 days. Total 200% return. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once reached the investment limit. Withdraw available via LR and Bank Wire.
Minimum Amount : 100.00
Maximum Amount : 249.00
Daily Interest % : 10.00
VISCO Promo Gold
Description : Interest 12% will be sent to your account daily for 20 days. Total 240% return. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once reached the investment limit. Withdraw available via LR and Bank Wire.
Minimum Amount : 250.00
Maximum Amount : 499.00
Daily Interest % : 12.00
VISCO Promo Diamond
Description : Interest 15% will be sent to your account daily for 20 days. Total 300% return. Principal deposit included the interest return. Interest GUARANTEED. Limited invest amount offered, will be closed for invest once reached the investment limit. Withdraw available via LR and Bank Wire.
Minimum Amount : 500.00
Maximum Amount : 5000.00
Daily Interest % : 15.00

Investing in HYIP is highly risky. There is no guarantee success in these kind of programs. Do your own diligence first before investing.