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wmiprvsd.exe

Microsoft @ Windows @ Operating System

Nanjing Baishite Gardens Co., Ltd.

The executable wmiprvsd.exe, “WMI Provider Host” has been detected as malware by 11 anti-virus scanners. This setup program installs potentially unwanted software on the user's PC at the same time as the expected/marketing software, without adequate consent. The program is typically installed via a form of malvertising While running, it connects to the Internet address 8a.eb.6132.ip4.static.sl-reverse.com on port 80 using the HTTP protocol.
Publisher:
Nanjing Baishite Gardens Co., Ltd.  (signed and verified)

Product:
Microsoft @ Windows @ Operating System

Description:
WMI Provider Host

Version:
6.2.7601.1755

MD5:
541f4ab6168080aca3fcc302ab7b102d

SHA-1:
b4b2ef15d644c2d6adf1deccc60abce78eb3026c

SHA-256:
4842eeaf8d2a8c1b9c58874dc136a05be850a0f0b85d611998ccb6a1e310cffd

Scanner detections:
11 / 68

Status:
Malware

Analysis date:
4/25/2024 6:05:25 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur.@R1@rKrkpRdQ
557

avast!
Win32:Malware-gen
2014.9-150802

Bitdefender
Gen:Trojan.Heur.@R1@rKrkpRdQ
1.0.20.1045

Emsisoft Anti-Malware
Gen:Trojan.Heur.@R1@rKrkpRdQ
8.15.07.28.06

F-Secure
Gen:Trojan.Heur.@R1@rKrkpRdQ
11.2015-28-07_3

G Data
Gen:Trojan.Heur.@R1@rKrkpRdQ
15.7.25

Microsoft Security Essentials
SoftwareBundler:Win32/WinOptimizer
1.1.11804.0

MicroWorld eScan
Gen:Trojan.Heur.@R1@rKrkpRdQ
16.0.0.627

Norman
Gen:Trojan.Heur.@R1@rKrkpRdQ
11.20150427

Reason Heuristics
Threat.Win.Reputation.IMP
15.8.2.10

VIPRE Antivirus
Trojan.Win32.Generic
41492

File size:
4.9 MB (5,141,592 bytes)

Product version:
6.2.7601.1755

Copyright:
Nanjing Baishite Gardens Co., Ltd.

Original file name:
WMI Provider Host

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\windows audio\r2\wmiprvsd.exe

Digital Signature
Signed by:
Nanjing Baishite Gardens Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
3/2/2015 4:53:11 AM

Valid to:
3/2/2016 4:53:11 AM

Subject:
CN="Nanjing Baishite Gardens Co., Ltd.", O="Nanjing Baishite Gardens Co., Ltd.", L=Nanjing, S=Jiangsu, C=CN

Issuer:
CN=WoSign Class 3 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
1B224EE507B4D09B57EB838796D6181C

File PE Metadata
Compilation timestamp:
4/19/2015 11:37:19 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
49152:n25I11dd96gSYHDSXrMIywQUnfotTWSqm2VFL0rTFFgS4kU7KjKTITVT0ApFXMdR:n2+1RaRSqm24R1Uopmuy7f

Entry address:
0x366D28

Entry point:
55, 8B, EC, 83, C4, F0, B8, 68, 89, 75, 00, E8, 9C, 55, CA, FF, 33, C0, 55, 68, A7, 6D, 76, 00, 64, FF, 30, 64, 89, 20, E8, 89, DF, C9, FF, 83, F8, 02, 7C, 49, A1, D0, 6E, 77, 00, 8B, 00, E8, 88, 85, DE, FF, A1, D0, 6E, 77, 00, 8B, 00, C6, 40, 5F, 00, A1, D0, 6E, 77, 00, 8B, 00, 33, D2, E8, 8F, A2, DE, FF, 8B, 0D, 54, 6B, 77, 00, A1, D0, 6E, 77, 00, 8B, 00, 8B, 15, A4, 7B, 75, 00, E8, 6F, 85, DE, FF, A1, D0, 6E, 77, 00, 8B, 00, E8, C7, 86, DE, FF, 33, C0, 5A, 59, 59, 64, 89, 10, 68, AE, 6D, 76, 00, C3, E9...
 
[+]

Entropy:
7.0598

Developed / compiled with:
Microsoft Visual C++

Code size:
3.4 MB (3,561,984 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to 8a.eb.6132.ip4.static.sl-reverse.com  (50.97.235.138:80)

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