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onesystemcare2.exe

One System Care Limited

The application onesystemcare2.exe by One System Care Limited has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from cdn.chironexfleckerisilver.com.
Publisher:
One System Care Limited  (signed and verified)

Version:
2.00.00.1

MD5:
8dc19710f89cc7e020a79a3d78b576c3

SHA-1:
eb811025867dec6adabacdc9255d6c3391e669af

SHA-256:
4cdbccfd490879706a1a0c0674fd9fecfa9c2e7e46b0dfaf14181fba673543aa

Scanner detections:
8 / 68

Status:
Potentially unwanted

Analysis date:
1/24/2025 10:27:43 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3007

Baidu Antivirus
PUA.Win32.OptimizerEliteMax
4.0.3.15824

ESET NOD32
Win32/OptimizerEliteMax.E potentially unwanted (variant)
9.11963

herdProtect (fuzzy)
variant of onesystemcare331002163.exe
2015.8.24.15

Malwarebytes
PUP.Optional.OneSystemCare.A
v2015.08.24.03

McAfee
Artemis!05A08A160E57
5600.6663

Reason Heuristics
PUP.OneSystemCare.Optional.Installer.Meta (L)
15.7.23.17

VIPRE Antivirus
Trojan.Win32.Generic
42144

File size:
4.3 MB (4,493,088 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\80a1r0kvn2\onesystemcare2.exe

Digital Signature
Signed by:
One System Care Limited

Authority:
VeriSign, Inc.

Valid from:
4/16/2015 1:00:00 AM

Valid to:
3/23/2016 11:59:59 PM

Subject:
CN=One System Care Limited, OU=IT edepartment, O=One System Care Limited, L=London, S=London W1S 1DA, C=GB

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:
191049E2C06E1CABB9369E17873B312D

File PE Metadata
Compilation timestamp:
2/24/2012 7:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:G8NboReovUvX0WXAPD020vwbbaOibL8jnc99muPOCiZZbucnxx1x:rpoAoM0bXKIuLgNZR9nxN

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9956

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file onesystemcare2.exe has been seen being distributed by the following URL.

http://cdn.chironexfleckerisilver.com/downloads/offers/.../OneSystemCare2.exe

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