webfreer_setup_1.1.1.0.exe

The application webfreer_setup_1.1.1.0.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. 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 docs.google.com and multiple other hosts.
MD5:
0d6cbb0ad5c171d9186dc786457ef65b

SHA-1:
ec38e59cebf700e8b03c03852dc1e71e4dc25fac

SHA-256:
e746a912a86e48c13edf9f7eaea8cb8c1f4926d38939fce8113dc052c7fd24db

Scanner detections:
4 / 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:
4/23/2024 7:32:31 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:BitCoinMiner-FA [PUP]
2014.9-140423

ESET NOD32
Win32/BitCoinMiner.BP (variant)
8.9669

Trend Micro House Call
TROJ_GE.BC7460F5
7.2.113

Trend Micro
HKTL_BITMINE.SML
10.465.23

File size:
49.7 MB (52,142,843 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\webfreer_setup_1.1.1.0.exe

File PE Metadata
Compilation timestamp:
9/29/2007 5:50:37 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1572864:ZlNpTjkRsftCpqveHBIZQH1HFYOq93NkJsVrA:bbf+q1ZQH1HFYOxCVrA

Entry address:
0x30F3

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, C8, 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, D8, EC, 42, 00, E8, D4, 2A, 00, 00, A3, 24, EC, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 40, 90, 42, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, 20, E4, 42, 00, E8, 8B, 27, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 79, 27, 00, 00...
 
[+]

Entropy:
7.9977

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file webfreer_setup_1.1.1.0.exe has been seen being distributed by the following 11 URLs.

https://docs.google.com/uc?export=download&confirm=B6Qd&id=0BxcV3KU7lVT1WVhXVkN0WUhFdEk

https://docs.google.com/uc?export=download&confirm=uaEB&id=0BxcV3KU7lVT1WVhXVkN0WUhFdEk

https://doc-14-98-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/odimj6ra1uscakjvvf7810731vbkplt4/1429315200000/12687394738784226930/.../0BxcV3KU7lVT1WVhXVkN0WUhFdEk?e=download

https://docs.google.com/uc?export=download&confirm=gen6&id=0BxcV3KU7lVT1WVhXVkN0WUhFdEk

Remove webfreer_setup_1.1.1.0.exe - Powered by Reason Core Security