Thanks to VirusShare (thanks!!!), I recently doubled my malware collection and once I got the samples, I ran the same stats as I did with 300K samples
The results are not very surprising, but for the benefit of all, here they are – top 100 strings and APIs:
71683194 ZYYd 9614600 SVWU 8510696 SVW3 5945175 QSVW 5146615 Self 5097074 Left 4901592 Width 4866679 Height 2661888 Y_^[ 2610729 Z]_^[ 2603363 TObject 2500401 Sender 2427775 SVWUQ 2221590 SVWQ 2098892 Integer 2041679 SSSSS 2004524 OnClick 1959797 TabOrder 1869961 ffffff 1839874 ParentFont 1799717 Z_^[ 1685639 Font.Style 1685400 Font.Color 1684559 Font.Name 1679994 Font.Charset 1677779 Font.Height 1675337 TImage 1533562 Caption 1532251 SUVW 1523722 VVVVV 1330863 YZ^[ 1330718 YZ]_^[ 1289920 Boolean 1272777 Cursor 1245718 crHandPoint 1176021 Controls 1119964 kernel32.dll 1067711 Classes 1066917 TLabel 1057670 BorderStyle 1054490 Graphics 1044623 YZ_^[ 1025276 clWindowText 1012871 Color 986327 ANSI_CHARSET 982837 TEdit 982375 QCCe 971709 MaxLength 967265 Forms 958946 bsNone 944070 GetProcAddress 915245 WWWWW 908645 GetModuleHandleA 890753 AutoSize 873797 OnChange 835864 D$ P 819162 fsBold 798371 IGGc 776076 LoadLibraryA 773533 DEFAULT_CHARSET 748235 Transparent 735901 MS Sans Serif 717404 CloseHandle 698784 Y_^][ 685014 Visible 680888 ExitProcess 664088 GetModuleFileNameA 652008 WriteFile 640725 fffffffff 638676 VirtualAlloc 632279 user32.dll 627775 MessageBoxA 625640 Verdana 625252 OnKeyPress 621739 D$$P 605312 RegCloseKey 587883 CreateFileA 585205 D$(P 583562 Sleep 580111 GetLastError 575028 BBBB 548097 FreeLibrary 542390 VirtualFree 540328 D$,P 531015 SVWj 527326 PPPPP 526237 Create 520984 IKKe 512493 ReadFile 512283 RegQueryValueExA 503601 D$0P 499179 Menus 494051 SetFilePointer 491272 GetCurrentThreadId 486630 advapi32.dll 485213 RegOpenKeyExA 478247 FCCr 477028 OHHi 470003 L$ Q 469449 Enabled and APIs 944070 GetProcAddress 908645 GetModuleHandleA 776076 LoadLibraryA 717404 CloseHandle 680888 ExitProcess 664088 GetModuleFileNameA 652008 WriteFile 638676 VirtualAlloc 627775 MessageBoxA 605312 RegCloseKey 587883 CreateFileA 583562 Sleep 580111 GetLastError 548097 FreeLibrary 542390 VirtualFree 512493 ReadFile 512283 RegQueryValueExA 494051 SetFilePointer 491272 GetCurrentThreadId 485213 RegOpenKeyExA 463534 GetStdHandle 435175 EnterCriticalSection 433130 LeaveCriticalSection 431887 MultiByteToWideChar 428780 GetCommandLineA 426579 LocalAlloc 426383 GetTickCount 424661 DeleteCriticalSection 416464 InitializeCriticalSection 415052 GetStartupInfoA 403254 FindClose 399632 GetCurrentProcess 391872 GetFileSize 387944 GetLocaleInfoA 386549 WideCharToMultiByte 376113 FindFirstFileA 368695 CreateThread 355701 lstrlenA 349823 RtlUnwind 347012 WaitForSingleObject 333669 UnhandledExceptionFilter 329287 GetSystemMetrics 327685 DeleteFileA 324716 VirtualQuery 323620 GetVersion 322321 GetCurrentProcessId 321928 GetVersionExA 320611 SetEndOfFile 314143 RaiseException 313811 GetThreadLocale 312354 LocalFree 310272 TlsSetValue 308747 TlsGetValue 306651 CharNextA 306325 GetACP 295599 LoadStringA 290795 TerminateProcess 285458 GetCPInfo 275774 RegSetValueExA 275053 ShowWindow 273978 InterlockedDecrement 273819 GetDC 273356 InterlockedIncrement 268980 GetFileType 261534 DeleteObject 258627 SelectObject 257670 HeapAlloc 257553 GetActiveWindow 250951 CreateProcessA 249336 GlobalAlloc 244183 VirtualProtect 238796 SendMessageA 237408 GetDeviceCaps 235324 LoadLibraryExA 231840 GetLastActivePopup 228711 GlobalFree 228678 GetSystemDirectoryA 228410 DestroyWindow 227835 HeapFree 224168 GetTempPathA 223629 QueryPerformanceCounter 223618 DispatchMessageA 223499 wsprintfA 223381 SysFreeString 221520 LoadResource 219417 DeleteDC 218877 CreateWindowExA 214804 GetWindowRect 213161 lstrcpynA 212451 TranslateMessage 208053 ReleaseDC 207416 CompareStringA 204825 SetEvent 203100 RegCreateKeyExA 202788 SizeofResource 202324 GetClientRect 201382 GetLocalTime 200791 CreateEventA 200663 SetTextColor 200383 exit