camstudio.exe

Path Quality (Alpha Criteria Ltd.)

The application camstudio.exe by Path Quality (Alpha Criteria) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.giftcapitalbyte.com and multiple other hosts.
Publisher:
CamStudio  (signed by Path Quality (Alpha Criteria Ltd.))

Product:
CamStudio

Version:
2.0.5.a0.1_61161

MD5:
d6162e552ca4005cbb3bccca44de67cc

SHA-1:
ae068d0816cecb30cd7fcb349b124f09b6b8350c

SHA-256:
c99029e1f8d4253ba227560b93f14d95891da0b5a0f7b7f5af0f0b5bf8d86fd1

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/1/2024 8:31:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.7.17.8

File size:
988.6 KB (1,012,368 bytes)

Product version:
2.0.5.a0.1_61161

Copyright:
CamStudio

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\camstudio.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/31/2015 2:09:15 PM

Valid to:
8/3/2016 4:53:56 PM

Subject:
CN=Path Quality (Alpha Criteria Ltd.), O=Path Quality (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121865442A968BACB1F4EC1956476A3AE8D

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:iTfX+OUopkvQikg+G0uJpX8rv6Wa3BmVTf/XvQyMBTlP0QjcpMXVJoa:iD1pkvqkKCWaYzGpfL

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file camstudio.exe has been seen being distributed by the following 12 URLs.

http://www.giftcapitalbyte.com/c?x=dSRy0KdDgzW8InukvS6c8GtZNZmEmRwvtfwG/oTwL9s=&e=0&c=8a280EeqkaA6cHxCeLuHpo9AOrXGrAt XKUDQtPxPlphwZsY9J0JZVn0Ru5oIWwQJmZkWi6p5svuBzsSSq4OWe8/dbYPfrAbIOMMToTUNTg2Grk9bHexhkRfkSlp3qB0MTIjEkkhlTXiEFp6u3efbHa9I8XOMH0VPigZZIIL4jo=&downloadAs=camstudio.exe&fallback_url=http://.../CamStudioSetup.exe

http://www.giftcapitalbyte.com/c?x=RIFYJpvG L9xvtnHJIJFshY3Y1YySdDpHmXhAjJH3yg=&e=0&c=TxLA1WVY9fTZodZ0PApBQlaXbPkqNkYqvFltTspXeVPoqAEWdVNO6M4Qnq62vWToOU5pRvNXl/tv8BtcgnA4KXvDnHzDej5yfcmz77iZom8AxlvpGOZfaAefPUTP/eyCQvvx7G5RrHCX6KTTX61n3rrZC3RVjzyUF/GEflxnkBU=&downloadAs=camstudio.exe&fallback_url=http://.../CamStudioSetup.exe

http://www.giftcapitalbyte.com/c?x=FmSynM1a60pUsXVQzfJk/dvy6kHwI5O0gzGaRWiyRtc=&e=0&c=BMRBKmojTgPwtbAxX9bbNTajlCa0rBVTPLEov1rii1mTK4y63GsFVVJgxfevtt71JiZbemF4GmSOc6h5LX035PzqyZ1ZW7wNZ6qYq0oVRwRfrvoLTdD2DZ8KlAPZrHJT5XqfbFoF0bPF/STuUCVDzIS1xKpKvSG/ulNF6CHqf2g=&downloadAs=camstudio.exe&fallback_url=http://.../CamStudioSetup.exe

http://www.giftcapitalbyte.com/c?x=gvj0L5ahjVAHPM94QAURELESM4ml0 TPa3pLuyKv0pY=&e=0&c=ND9LjvtHxXocneEWZQsKGffyNpIacuh/jqhXFzp2niiEFJsc19BkBC9bCDTqBVJ8ezNj9pK IEIPfddNw/T/1itYO/6rXyLa/A1kNPsMy69vTvn0E6trQg8lPlZGXicdepAmSSUfHP AgcKcl6kGouK4b6xI7zxWUXNtU2NNCFQ=&downloadAs=camstudio.exe&fallback_url=http://.../CamStudioSetup.exe

http://www.giftcapitalbyte.com/c?x=hB2KNSK9FYzcaFYX8HuR9mNZQ5ngr97tbm/dFgzQZBM=&e=0&c=eA91vXwti3uuNvX5MYpslvB6qOhvP6ule89ji42XL3OqXuaFoy4c9pYmYqqFyB/f dw5hiun1wpHjrDTx3r /YKWWZeF2BeYzZPnEZWoVqqdMZY7xiVEZn16sFFGUaxWyOIfB8Em0zVexhwwzxk/UPKIf3tzBdH8/2lM9vHOmX0=&downloadAs=camstudio.exe&fallback_url=http://.../CamStudioSetup.exe

http://www.giftcapitalbyte.com/c?x=/rSYtH06eQ6UUhlFAx7/w14UqlLwmMSyJfZ52ULmLj0=&e=0&c=cxKpQxmWnm1oCWKEt1WSnYyrVcwwPk2AaAmJpcy3mxahzESyHel0RfnU6UfBzbVqEFDNyxYjbfykzamDV2XjIj6IEqwKvnTEjZmc34ReerRTrpxm8WYgiXJhW2WwnbVNLbQn0XCiAw2z 2LvuddNWEiNUCyFgDW8UvWPbDZB23w=&downloadAs=camstudio.exe&fallback_url=http://.../CamStudioSetup.exe

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