camstudio_setup_2-7_r316-236805.exe

Cloud Installer

The application camstudio_setup_2-7_r316-236805.exe by Cloud Installer has been detected as a potentially unwanted program by 12 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. The file has been seen being downloaded from www.cloud-down-loader.com.
Publisher:
Cloud Installer  (signed and verified)

MD5:
c65d837eec50e5d6447e8bc4c827032e

SHA-1:
d94a42b4a43b226641de67c56b95bfb017a9bfb6

SHA-256:
7a29b728062a1a34ea3922a9da52688633ce39303b3487a1e750a2835392b531

Scanner detections:
12 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
11/28/2024 2:48:43 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.ProInstall
2015.12.05

Baidu Antivirus
PUA.Win32.WinWrapper
4.0.3.15126

Bkav FE
W32.HfsAdware
1.3.0.7383

Comodo Security
Application.Win32.WinWrapper.D
23690

Dr.Web
Adware.Downware.12824
9.0.1.0340

ESET NOD32
Win32/WinWrapper.E potentially unwanted (variant)
9.12672

Fortinet FortiGate
Riskware/Agent
12/6/2015

McAfee
Artemis!C65D837EEC50
5600.6560

Panda Antivirus
PUP/DownloadAssistant
15.12.06.08

Reason Heuristics
PUP.Softpulse.CloudInstaller.Installer (M)
15.12.6.8

Zillya! Antivirus
Adware.BrowseFox.Win32.185225
2.0.0.2544

File size:
589.1 KB (603,232 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\camstudio_setup_2-7_r316-236805.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
6/21/2015 7:00:00 PM

Valid to:
6/21/2016 6:59:59 PM

Subject:
CN=Cloud Installer, O=Cloud Installer, L=Incline Village, S=Nevada, C=US

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

Serial number:
6B00CE186CEC914ABED510D3BA861096

File PE Metadata
Compilation timestamp:
11/18/2015 4:12:55 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:iFf0+COef0FFfLx6LGALyEcHkByDQtnUSWTBMOIscAK+TOOOOOOOO5oK61:iFfYD0XNgLyEckByDQ+SWTnjs1

Entry address:
0x3198F

Entry point:
E8, F5, DD, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, E0, EB, 45, 00, E8, 47, 0F, 00, 00, 33, F6, 89, 75, E4, 33, C0, 8B, 5D, 08, 3B, DE, 0F, 95, C0, 3B, C6, 75, 1C, E8, 69, 01, 00, 00, C7, 00, 16, 00, 00, 00, 56, 56, 56, 56, 56, E8, BA, E1, FF, FF, 83, C4, 14, 33, C0, EB, 7B, 33, C0, 8B, 7D, 0C, 3B, FE, 0F, 95, C0, 3B, C6, 74, D6, 33, C0, 66, 39, 37, 0F, 95, C0, 3B, C6, 74, CA, E8, E0, E0, 00, 00, 89, 45, 08, 3B, C6, 75, 0D, E8, 27, 01, 00, 00, C7, 00, 18, 00, 00, 00, EB, C9, 89, 75, FC, 66, 39, 33, 75, 20...
 
[+]

Entropy:
6.3073

Code size:
315 KB (322,560 bytes)

The file camstudio_setup_2-7_r316-236805.exe has been seen being distributed by the following URL.

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