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camtasiastudi.exe

StART Playing

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application camtasiastudi.exe by StART Playing 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 OutBrowse Revenyou installer. The file has been seen being downloaded from get.file15desktop.com.
Publisher:
StART Playing  (signed and verified)

MD5:
a1a7b51c629cb81950bb7fa1fc5f6d95

SHA-1:
b9cedf3dea31d9e020bac58952f914260a2a37bc

SHA-256:
f952ae7ddb6e87d5e9ee194ae981ef8fe143a080276dad4b72e4f236331af6ec

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
11/26/2024 10:15:02 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.StARTPla.Bundler (M)
16.5.27.23

File size:
573.7 KB (587,432 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

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

Digital Signature
Signed by:
StART Playing

Authority:
thawte, Inc.

Valid from:
1/19/2015 3:00:00 AM

Valid to:
12/12/2015 2:59:59 AM

Subject:
CN=StART Playing, O=StART Playing, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
58DF35F2B2CFE8E44EF980DD11E01B9F

File PE Metadata
Compilation timestamp:
12/6/2009 1:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:slI5HSxHOOMuKIX0p6poP1vtN7DPFbwjIY7OnQrBHs:s4yUOMCCKoP1rXmjHGQrC

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file camtasiastudi.exe has been seen being distributed by the following URL.

http://get.file15desktop.com/.../Get?p=18474&d=25803&l=23929&n=1&dynamicname=Setup&filename=CamtasiaStudi&s=10446

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