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cpuminer.exe

CPU Miner - Setup

LLC

The file cpuminer.exe by LLC has been detected as a potentially unwanted program by 11 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is a malicious Bitcoin miner. Bitcoin-mining malware is designed to force computers to generate Bitcoins for cybercriminals' use and consumes computing power. The file has been seen being downloaded from cdn-14b7.kxcdn.com.
Publisher:
Open Source  (signed by LLC )

Product:
CPU Miner - Setup

Version:
1.1

MD5:
24eb8f89734d2e9c643316be8df912b7

SHA-1:
7d2982fe297f22b664d5691a70d28f67c6662b06

SHA-256:
87ea9700fa5848da06cc2ba98a556f95f1dbb45e788def77571bb5512dbc422c

Scanner detections:
11 / 68

Status:
Potentially unwanted

Explanation:
The program will mine for BitCoins using the computer's GPU in the background and may be installed and run without the user's knowledge.

Analysis date:
3/12/2025 1:21:03 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Graftor.187607
5547388

avast!
Win32:Malware-gen
2014.9-150523

Baidu Antivirus
Hacktool.Win32.BitCoinMiner
4.0.3.15523

Bitdefender
Gen:Variant.Graftor.187607
1.0.20.715

Emsisoft Anti-Malware
Gen:Variant.Graftor.187607
10.0.0.5366

ESET NOD32
Win32/BitCoinMiner.BY potentially unsafe application
7.0.302.0

F-Secure
Gen:Variant.Graftor.187607
11.2015-23-05_7

G Data
Gen:Variant.Graftor.187607
15.5.25

MicroWorld eScan
Gen:Variant.Graftor.187607
16.0.0.429

NANO AntiVirus
Riskware.Nsis.BitCoinMiner.dqgttf
0.30.24.1636

Panda Antivirus
Trj/CI.A
15.05.23.03

File size:
2.8 MB (2,942,064 bytes)

Product version:
1.1

Copyright:
2015 - Open Source

Original file name:
cpuminer.exe

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\awh8925.tmp

Digital Signature
Signed by:
LLC

Authority:
COMODO CA Limited

Valid from:
5/6/2015 2:00:00 AM

Valid to:
5/6/2016 1:59:59 AM

Subject:
CN="LLC ""LAYN-PROEKT""", O="LLC ""LAYN-PROEKT""", STREET="Vulitsya Bogdana Khmel''nits''kogo , Budinok 106", L=Lviv, S=Lvivska, PostalCode=79019, C=UA

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00E17C1DB2CCC44BCBE684F843F1CF4F3C

File PE Metadata
Compilation timestamp:
10/7/2014 6:39:56 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:6Juv83fXYtpIfSLvXgWOWgv8bwGfGeHCTgMHjj8aunrcbHFEXC8B6o+dpcTJFa:10PorIqLvXgZWgkReem/Hjj8lcblEXCx

Entry address:
0x30C9

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 09, A3, B8, 1F, 7A, 00, E8, A8, 2D, 00, 00, A3, 04, 1F, 7A, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, D0, D4, 79, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, 00, 17, 7A, 00, E8, 52, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 70, 7A, 00, 50, 55, E8, 40, 2A...
 
[+]

Entropy:
7.9962

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://cdn-14b7.kxcdn.com/cdn.exe

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