An easier one, but still worth the try:

/>http://rapidshare.de/files/16982524/KeyGenMe1.zip.html

(sorry for rapidshare )

Done

Name - Z0oMiK

Serial - 39952

Name - Gabri3l

Serial - 56336

My keygen and analysis:
/>http://www.zshare.net/download/keygen-rar-xty.html

GEEK

33808

mY kEYGEN :

huup://rapidshare.de/files/20212859/key_sec.exe.html

C++ solutuion with comments : meh who needs asm

				if(HIWORD(wParam) == EN_CHANGE){
					int nLen = GetWindowTextLength(GetDlgItem(hWnd, IDC_NAME)) + 1; 
					LPSTR lpszName = new CHAR[nLen];  
					GetDlgItemText(hWnd, IDC_NAME, lpszName, nLen);  
					nLen--;
					if(nLen > 20) nLen = 20; // only loops through first 20 characters
					if(nLen > 5){ // name can't be less than 5 
						int Value[7] = { 252, 172, 84, 209, 201, 181, 228 };  // stores static values in array (converted to decimal)
						for(int nChar = 0, ulSum = 0, nCount = 0; nChar < nLen; nChar++, nCount++) {	
							int nValue2 = nCount % 4;  // equivalent of "CDQ" "IDIV X" position % 4
							ulSum = ulSum << nValue2;  // shift logic to left
							ulSum += (lpszName[nChar]);  // sum of name character
							int nValue3 = nCount % 7;  // position % 7
							ulSum += Value[nValue3]; // nValue2 is used to retrieve value from static array
						}						int nValue4 = ulSum % 127;
						if (abs(nValue4) != nValue4) nValue4 *= -1;  // checks if negative, if so convert to positive
						nValue4 = nValue4 | 2;  // logical OR
						nValue4 = 2*nValue4+(32767);  
						nValue4 &= 0x000000FF;   // equivalent of AND EAX,0FFF
						nValue4 = nValue4 << 8;  // shift logic to left 8
						nValue4 += 10000;   // nValue = nValue + 1000						SetDlgItemInt(hWnd, IDC_RESULT, nValue4, FALSE);
					}else{
						SetDlgItemText(hWnd, IDC_RESULT, "- Enter Name -");
					}
					delete lpszName;
				}

Compiled keygen:

http://rapidshare.de/files/20870114/keygen.exe.html