How to Recover Saved Passwords in Tencent QQ browser

In this article, you’ll learn where Tencent QQ browser stores your passwords, how they are protected, and how you can easily recover them.

QQ Browser Password Secrets

QQ browser stores all your website login passwords in the “EncryptedStorage” file at following location

[Windows Vista/7/8/10]
C:\Users\[user_name]\AppData\Local\Tencent\QQBrowser\User Data\Default\

[Windows XP/2003] 
C:\Documents and Settings\[user_name]\Local Settings\Application Data\Tencent\QQBrowser\User Data\Default\

This “EncryptedStorage” file is stored in SQLite database format. It contains database table called “entries” where each website login details are stored.

Here are some of the interesting fields stored in this table,

str1 - main link of the website
str3 - login link of the website
str2 - username used for login
blob0 - password used for login (encrypted)
date - date when it is stored

Here str3, str2 and blob0 refers to website login link, username and encrypted password respectively.

QQ browser encrypts the website password using Windows DPAPI (Data Protection API) functions.

These DPAPI functions perform encryption of password using user and machine specific data. As a result encrypted password cannot be decrypted by another user or another computer.

Hence QQ browser password recovery has to be performed on the same computer as same user.

How to Decrypt QQ Browser Passwords

QQ uses Windows DPAPI function, CryptProtectData to encrypt the website password. We can decrypt this password using the function called CryptUnprotectData.

Here is the sample C++ program to decrypt the website passwords from QQ browser.

void DecryptPassword(char *passData, int passLen, char *password, int length)
{
	DATA_BLOB DataPassword;
	DATA_BLOB DataOutput;
	
	DataPassword.cbData = passLen;
	DataPassword.pbData = (BYTE *) passData;

	if( CryptUnprotectData(&DataPassword, NULL, 0, 0, 0, 0, &DataOutput) == FALSE )
	{
		printf("CryptUnprotectData failed with error 0x%.8x", GetLastError());
		return;
	}

	memcpy(password, DataOutput.pbData, DataOutput.cbData);
	password[DataOutput.cbData] = 0;
	
	
	printf("Successfully Decrypted Password is %s ", password);

}

How to Recover Tencent QQ Browser Passwords Automatically

Now you can easily recover all your forgotten passwords from Tencent QQ browser without any technical knowledge.

With just one click, XenArmor Browser Password Recovery Pro can recover all your saved Tencent QQ browser passwords in seconds.

Follow these simple steps,

1. Download & install the software from here
2. Click on “Recover Passwords”
3. Instantly see all your website passwords from Tencent QQ browser

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• Works across 140+ web browsers
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