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Unrar.dll

RAR decompression library

Beijing Yu Jin Cheng Technology Co., Ltd.

The module Unrar.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.
Publisher:
Alexander Roshal  (signed by Beijing Yu Jin Cheng Technology Co., Ltd.)

Product:
RAR decompression library

Version:
4.20.0

MD5:
da9f22c482829f2a07f1b46e80e345e9

SHA-1:
f7b1ae1e5e643c986f009db465256894e0b8838d

SHA-256:
6524ea69a552dad83dca793fea674359e5d495183de5219f676d61f2d2778ec7

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 6:43:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.9.11.20

File size:
182.1 KB (186,440 bytes)

Product version:
4.20.0

Copyright:
Copyright ?Alexander Roshal 1993-2012

Original file name:
Unrar.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\roaming\sulang\unrar.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:
3/2/2015 9:27:44 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
9.0

CTPH (ssdeep):
3072:igG72tvpGhR0AK3/IjjKApPBk9A/PSo6IEPDAG6VcCvnaciqVC5TWYKknxdq:TC2tvsG3w6xSSo6PrAGqnaci3Wka

Entry address:
0x1AF8C

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 48, 65, 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, 56, 8D, 45, 08, 50, 8B, F1, E8, 23, 43, 00, 00, C7, 06, A4, 54, 02, 10, 8B, C6, 5E, 5D, C2, 04, 00, C7, 01, A4, 54, 02, 10, E9, D8, 43, 00, 00, 8B, FF, 55, 8B, EC, 56, 8B, F1, C7, 06, A4, 54, 02, 10, E8, C5, 43, 00, 00, F6, 45, 08, 01, 74, 07, 56, E8, 24, E4, FF, FF, 59, 8B, C6, 5E, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, 56, 57, 8B, 7D, 08, 8B, 47, 04...
 
[+]

Entropy:
6.5858

Code size:
142.5 KB (145,920 bytes)

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