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free_bearshare_setup.exe

DownloadShield

The application free_bearshare_setup.exe by DownloadShield 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.cloudtop.co and multiple other hosts.
Publisher:
DownloadShield  (signed and verified)

MD5:
b86f8222501769b681e00f379505c762

SHA-1:
7c47671263fb370c12fd5c9515f0fc266db50e48

SHA-256:
40e24e313775748d0712154c3e075cf921d69deeb7f2fb8a492f1ba79416e161

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.

Analysis date:
4/19/2024 7:06:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DownloadShield.Installer (M)
16.1.1.15

File size:
715.3 KB (732,464 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\free_bearshare_setup.exe

Digital Signature
Signed by:
DownloadShield

Authority:
VeriSign, Inc.

Valid from:
12/21/2015 4:00:00 PM

Valid to:
3/21/2019 4:59:59 PM

Subject:
CN=DownloadShield, O=DownloadShield, L=San Jose, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
78070F8D972292519C0C15749BCB3808

File PE Metadata
Compilation timestamp:
8/28/2014 9:10:25 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:rPCos1G2ZyYXU4fllOZqFus//wGUrjaMawvRPkAsgoKPd9eUMAgRk/XM:rPz+Z1UqlLucwGUPawJxo+2UMrC8

Entry address:
0x31E8

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, E0, 73, 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, B8, 3C, 42, 00, E8, 23, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, DB, 73, 40, 00, FF, 15, 58, 71, 40, 00, 68, D0, 73, 40, 00, 68, C0, 33, 42, 00, E8, 15, 24, 00, 00, FF, 15, AC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 03, 24, 00, 00...
 
[+]

Entropy:
7.9731

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file free_bearshare_setup.exe has been seen being distributed by the following 2 URLs.

http://www.cloudtop.co/beta/.../Free_BearShare_Setup.exe

http://www.cloudtop.co/beta/.../download

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