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justcloud.exe

PC Backup Software Limited

The application justcloud.exe by PC Backup Software Limited has been detected as a potentially unwanted program 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. The file has been seen being downloaded from aff-software.s3-website-us-east-1.amazonaws.com.
Publisher:
PC Backup Software Limited  (signed and verified)

MD5:
a19c17cac230664b793205a610a7adaf

SHA-1:
749e81e7447ac66e78c4c6ec9050b2db52af81ba

SHA-256:
e9be21ded3fb174367146454eaf8d10d2170340907fc3505a4a77eec0dd1214d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 7:28:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Win32.Generic
16.1.21.6

File size:
169.2 KB (173,240 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\justcloud.exe

Digital Signature
Signed by:
PC Backup Software Limited

Authority:
DigiCert Inc

Valid from:
7/7/2014 7:30:00 PM

Valid to:
7/12/2016 7:30:00 AM

Subject:
CN=PC Backup Software Limited, O=PC Backup Software Limited, L=Whiteley, S=Hanmpshire, C=GB

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
05695BB515DA4B74B5B9C54CEBC782E0

File PE Metadata
Compilation timestamp:
12/5/2009 6:20:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:kgXdZt9P6D3XJsUYRD66Ybmeywn3Lq4VAva2GSgbgYZMIvmUlrfHVf5KBF:ke34OUaD6rye73LDAvaz2IeUlrfH9UBF

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 justcloud.exe has been seen being distributed by the following URL.

http://aff-software.s3-website-us-east-1.amazonaws.com/.../Cloud_Backup_Setup.exe

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