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prokill.dll

Beijing Yu Jin Cheng Technology Co., Ltd.

The module prokill.dll by Beijing Yu Jin Cheng Technology Co. has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Beijing Yu Jin Cheng Technology Co., Ltd.  (signed and verified)

MD5:
8aee30aa97447f34fdcaa058257941c5

SHA-1:
cdf44c226b3c88b018a3c6f7beed267d0950d743

SHA-256:
e7388c88728acd502cd65c737b341dcd7c39ef076d838ac8bb553a534ee05285

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/5/2024 6:37:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.5.6

File size:
63.1 KB (64,568 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\prokill.dll

Digital Signature
Signed by:
Beijing Yu Jin Cheng Technology Co., Ltd.

Authority:
WoSign CA Limited

Valid from:
8/19/2015 1:47:31 PM

Valid to:
12/30/2016 1:47:31 PM

Subject:
CN="Beijing Yu Jin Cheng Technology Co., Ltd.", O="Beijing Yu Jin Cheng Technology Co., Ltd.", L=Beijing, S=Beijing, C=CN

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

Serial number:
5101E5E4803BA58F107087F0934A122F

File PE Metadata
Compilation timestamp:
8/21/2015 4:02:47 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
768:tb8vBOStbpVnAf9gcp6TCBhOF8MYkkYxvDFUEDynVEKWL6eH7aAZpx7po2zOL0GU:t8vBOStrg2cxfdkvWVi6pAt7BnG1C

Entry address:
0x31D2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 67, 19, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 30, DD, 00, 10, 89, 0D, 2C, DD, 00, 10, 89, 15, 28, DD, 00, 10, 89, 1D, 24, DD, 00, 10, 89, 35, 20, DD, 00, 10, 89, 3D, 1C, DD, 00, 10, 66, 8C, 15, 48, DD, 00, 10, 66, 8C, 0D, 3C, DD, 00, 10, 66, 8C, 1D, 18, DD, 00, 10, 66, 8C, 05, 14, DD, 00, 10, 66, 8C, 25, 10, DD, 00, 10, 66, 8C, 2D, 0C, DD, 00, 10, 9C, 8F, 05, 40, DD...
 
[+]

Entropy:
6.3724

Code size:
31 KB (31,744 bytes)

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