Advent International and Bain Capital have entered exclusive talks to acquire payment processing group WorldPay from RBS.

Advent International reportedly is out of the auction for Italian software company TeamSystem, which is being sold by Bain Capital. Remaining bidders are Cinven, HgCapital and Sage.

Alberta Investment Management Corp. has ended talks to acquire British private equity firm Candover.

Alliance Boots, a UK-based retail pharmacy group owned by KKR, has acquired Turkish drugs wholesaler Hedef Alliance. No financial terms were disclosed.

American Standard Brands, a portfolio company of Sun Capital Partners, has acquired Safety Tubs LLC, a maker of walk-in bathtubs for those with limited mobility. No financial terms were disclosed. Safety Tubs was represented on the deal by Cross Keys Capital.

Axela Inc., a Toronto-based provider of DNA, RNA and protein analysis, has acquired local rival Xceed Molecular. No financial terms were disclosed. Axela is backed by VenGrowth Private Equity Partners.

Birds Eye Iglo, a portfolio company of Permira, has agreed to buy Italian frozen foods group Findus from Unilever for €805 million.

The Blackstone Group and TPG Capital reportedly are “unlikely” to keep pursuing RadioShack Corp. The firms had been working together on a joint bid for the electronics retailer, which has a market cap of around $2.7 billion. Bain Capital also has dropped out of the process.

The Carlyle Group and TPG Capital have agreed to buy Australian hospital company Healthscope Ltd. for US$1.73 billion.

The Carlyle Group has agreed to acquire nutritional supplements maker NBTY Inc. in a $3.8 billion leveraged buyout. NBTY stockholders would receive $55 per share, while debt financing has been committed by BofA Merrill Lynch, Barclays Capital and Credit Suisse. The deal includes $2.4 billion in debt financing.

The Carlyle Group has agreed to acquire Qualicorp, a Brazilian health insurance plan administrator. No financial terms were disclosed. Sellers include private equity firm General Atlantic, which bought a minority stake in 2008.

Cerberus Capital Management has offered to acquire building products distributor BlueLinx Holdings Inc. The $3.40 per share offer represents a 36% premium to Wednesday’s closing price, and would value BlueLinx at around $111 million.

Clorox Co. has received more than a dozen preliminary bids for its STOP and Armor All auto care brands, according to Bloomberg. Suitors include The Blackstone Group, Castle Harlan and Golden Gate Capital.

Colony Capital and Cogsville Group LLC reportedly have won a $1.85 billion portfolio of distressed commercial real estate loans auctioned off by the FDIC. The two firms would hold a 49 percent stake in the loans, for $445 million (including a $218m up-front cash payment).

Crescent House Publishing Inc., a Carlsbad, Calif.-based provider of multimedia technologies to the retail market, has raised an undisclosed amount of mezzanine funding from Huntington Capital.

Energy Future Holdings Corp. (fka TXU), a portfolio company of KKR and TPG Capital, has launched a new, multi-billion dollar debt exchange.

Genco Distribution Systems Inc. has agreed to buy engineering and logistics firm ATC Technology Group for around $512.6 million in cash. The deal will be partially financed via a $125 million investment from Greenbriar Equity Group.

GenNx360 Capital Partners has acquired Maine Machine Products Co., a South Paris, Maine-based maker of precision components and assemblies for the defense, oil and gas, and semiconductor industries. No financial terms were disclosed.

Graphite Capital has sponsored a 45 million pound management buyout of Teaching Personnel, a UK-based provider of teachers and support staff to schools. The seller was RJD Partners.

Harvest Partners has made a “major investment” in Seminole Energy Services LLC, a Tulsa-based provider of natural gas services. No financial terms were disclosed.

Hugh Hefner has released text of a letter sent to the Playboy board of directors, regarding his bid to take the company private.

J.C. Flowers & Co. has agreed to purchase €450 million worth of convertible bonds in Spanish bank Banca Civica, according to Bloomberg.

Lion Capital reportedly has offered to buy French convenience-food company Picard Surgeles from BC Partners, at an enterprise value of approximately €1.5 billion euros.

Lion Capital and Permira reportedly are the frontrunners for Findus, the Italian frozen foods unit of Unilever. BC Partners also is expected to bid, with a winner being selected within the next few weeks.

Mason Wells has completed its acquisition of Appleton’s Performance Packaging operations. The deal was valued at around $58 million. The newly-independent company will be named NEX Performance Films Inc., and will make single and multilayer polyethylene films.

Morgenthaler Private Equity announced that is has acquired Enginetics Aerospace, a Huber Heights, Ohio-based maker of metal components for commercial and military aircraft engines. No financial terms were disclosed. The firm also disclosed that it has sponsored a recapitalization of Satellite Logistics Group, a Houston-based provider of reverse logistics solutions and related services to the beer and beverage industry.

Navigation Capital Partners has acquired LEPService Inc., a provider of infrastructure-related data services to electric utilities in the Southeastern United States. The Atlanta-based company marks the second in a series of acquisitions planned by Navigation Capital in the so-called smart-grid sector. The buyout shop plans to merge LEPService with existing portfolio company, Specialized Technical Services Holdings Inc. No financial terms were disclosed.

Oaktree Capital Management and Toll Brothers have won a $1.7 billion portfolio of distressed residential loans auctioned off by the FDIC.

One Equity Partners has offered to buy out remaining shareholders of Austria’s Constantia Packaging at €47 per share. One Equity already holds a 91.5 percent ownership position in Constantia, and its “squeeze-out” offer would value the remaining 8.5 percent at €67 million.

Onex Corp. and Canada Pension Plan Investment Board have offered to buy UK auto parts maker Tomkins Plc for $4.5 billion.

Primary Capital has completed its $31 million purchase of stationary retailer Paperchase Products Ltd. from Borders Group.

Revelry Brands has acquired a minority stake in Siggi’s, a New York-based maker of Icelandic-style thick yogurt. No financial terms were disclosed.

Riverside Partners has made a “significant investment” in Tech Valley Communications, an Albany, N.Y.-based CLEC and provider of fiber optic telecom services. No financial terms were disclosed.

San Miguel Corp., a Philippine conglomerate, said it has received multiple offers for its Pure Foods unit. Bidders reportedly include The Carlyle Group, CVC Capital Partners and Universal Robina Corp. San Miguel has shortlisted two bidders for a minority stake in the subsidiary, after receiving five offers.

Sara Lee Corp. reportedly has reached out to private equity firms about a sale of its North American bakery business, which had $2.2 billion in 2009 sales.

Sun Capital Partners has acquired Bar Louie Restaurants, a Chicago-based casual-to-upscale restaurant chain, from an affiliate of Restaurant America. No pricing terms were disclosed.

Sverica International has acquired Syscon Justice Systems, a Vancouver-based provider of software solutions to domestic and international corrections facilities and police departments. No financial terms were disclosed.

Syncsort Inc., a Woodcliff Lake, N.J.-based provider of data management and data protection software, has secured a $125 million credit facility. The refinancing was arranged by Golub Capital. Syncsort is a portfolio company of Insight Venture Partners.

Thoma Bravo and Teachers’ Private Capital have completed their take-private acquisition of IT security company SonicWall Inc. The $11.50 per share deal valued SonicWall at around $717 million.

Thompson Street Capital Partners and Charterhouse Group have acquired Colo4 LLC, a Dallas-based provider of carrier-neutral colocation data center services. No financial terms were disclosed.

TPG Capital and GS Capital Partners have agreed to buy Belgium-based diaper-maker Ontex from Candover, for €1.2 billion, in the year’s largest European leveraged buyout deal.

Virgin Active, the UK health and fitness chain controlled by Virgin Group, has met with several private equity firms about a sale that could be worth over $1.5 billion. The company also continues to consider a public floatation.

Vision Solutions Inc., a portfolio company of private equity firm Thoma Bravo, has completed its acquisition of recovery software provider Double-Take Software Inc. The deal was valued at $242 million in cash, or $10.55 per share, a 21 percent premium to its closing price on last day of trading before Double-Take said it was considering alternatives.

Wingate Partners has acquired Dunn Paper Acquisition Inc., a Port Heron, Mich.-based specialty paper manufacturer, from Meriturn Partners. No financial terms were disclosed.

Yellowstone Landscape Group Inc., a portfolio company of Gridiron Capital, has acquired Forest Hills Lawn Service, a Dallas-based provider of landscape maintenance services for government and municipal customers. No financial terms were disclosed.