How to Remove ZLIB1.DLL | ZLIB1.DLL Malware

What is ZLIB1.DLL?

The file named ZLIB1.DLL is developed by Zlib. The file is secured and signed by NCH Software. The file is used by the software program Zlib which is used in compression and depression of library files. There are security updates being rolled out at regular intervals. The threat level of the file is 1.

ZLIB1.DLL is located in C:\ProgramData\nch software\boltpdf\driver64\zlib1.dll. The total size of the DLL file is 74.9 kilobytes. The latest version of the file found in the records is 1.2.1.1429. The program is a non-system process and if infected by a malware or virus, the file can be uninstalled without affecting the performance of the windows operating system.

Affected Platforms: Windows 7, 8, 10

How to determine if your computer is infected with ZLIB1.DLL malware?

Look out for these symptoms to check if your PC is infected with ZLIB1.DLL malware:

Unstable internet connection
ZLIB1.DLL occupies extra CPU space
PC processing speed slows down
Browser often redirects to irrelevant websites
Browser is bombarded with hordes of popup ads
Computer screen freezes repeatedly

Take the following steps to diagnose your PC for possible ZLIB1.DLL malware attack:

Step 1: Simultaneously press CTRL+ALT+DEL keys to open Task Manager.

Step 2: If you notice the file located outside C:\ProgramData\nch software\boltpdf\driver64\zlib1.dll, perform an antivirus scan to get rid of the malware.

How to remove ZLIB1.DLL malware from system using Comodo Antivirus?

Step 1: Download our award-winning Free Antivirus.

Step 2: Installation configuration frames will be displayed. Select the configuration you would like to apply.

Step 3: Select Customize Configuration option and arrange installers, configuration, and file location.

Step 4: Restart your PC after the installation gets over

Step 5: Wait for Comodo Internet Security to update the antivirus.

Step 6: Proceed with the quick scan that automatically begins after the update.

Step 7: If threats are found during the scanning, you will be notified through an alert screen.

Step 8: Comodo Antivirus will remove ZLIB1.DLL malware from your computer including all other malwares!

Malware Entries

No.	Company	File Type	SHA1	MD5	Malware Name	Digitally Signed	File Version	Product Version	Submitted From	Malware Behavior

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Safe Entries

First Seen: 22 July 2008 at 3:54 pm

No.	Company	File Type	SHA1	MD5	Digitally Signed	File Version	Product Version	Submitted From
1	N/A	Executable	15cd01170ff8d853 1fb16f4f7a1c5fbe 810a1057	72e87ad407bb28f5 b471c3396296b377	No	1.2.5	1.2.5	United States
2	N/A	Executable	c0e55473bb3f340a c0cb0b3c7a554bcc 8388f201	f473dead1e146586 244a431a67b5c16d	No	N/A	N/A	10.108.51.194/32
3	N/A	Executable	5017cf50312b0da6 e6826f4ff3c05a99 100476ea	db1a72eaca68cbb6 a515e477257a9518	No	1.2.7	1.2.7	United States
4	N/A	Executable	9c35e7a8e946819c e27e981ada729cb3 62256a33	6bd741dd270f8cbc bf3916c3ed583075	No	N/A	N/A	United States
5	N/A	Executable	c8aa95fa72369253 12c2f11e5051c23b dc6affd0	8ac275b39f47cd37 5de5c582af7bc5df	No	1.2.7	1.2.7	United States
6	N/A	Executable	0a53c78b4f188041 e025f3d403a5b3a7 87cca216	507895de089c72d5 0d6f9f9f50e8979a	No	1.2.4	1.2.4	United States
7	N/A	Executable	1d17c77ff8ec7684 eeb8973015d77038 9af23fb1	e26d83bcda0bb5c1 4b45ccac47da7d14	No	1.2.7	1.2.7	10.108.51.116/32
8	N/A	Non-executable	8012d2506b3bf48d 4d63b1c89fd44434 1ff9559e	c62298c9625c9bb8 26e0049e4d980593	No	N/A	N/A	10.108.51.194/32
9	N/A	Executable	5808fa548d29012d 3e88799ce121bad1 595a0526	ea7bb2ee62b64bda 60216c5bad6936f9	No	1.2.11	1.2.11	United States
10	N/A	Executable	9c35e7a8e946819c e27e981ada729cb3 62256a33	6bd741dd270f8cbc bf3916c3ed583075	No	N/A	N/A	10.108.51.216/32
11	N/A	Executable	330f9f6da03ae96d fa77dd92aae9a294 ead9c7f7	89f6488524eaa3e5 a66c5f34f3b92405	No	1.2.3	1.2.3	United States
12	N/A	Executable	9c2d047ce1c3afcc c3c9e0f51813777c 8298af2c	12a1924393844d14 42e2bc45312cdce7	No	N/A	N/A	10.108.51.116/32
13	N/A	Executable	53ccd211d7e5d4dd ee1bc4d84ae83697 4d73692f	b9c2e73a79b7e45e 270dbe46322e4f89	No	1.2.3	1.2.3	United States
14	N/A	Executable	c86e29edd1f4ab06 6da56f3c46141e93 d90071d7	2a6eb8fdc63556fe b9ed21fa2a56017f	No	1.2.3	1.2.3	United States
15	N/A	Executable	6d957ba632df5b06 d49a901f2772df43 01610a2a	80e41408f6d641dc 1c0f5353a0cc8125	No	1.2.3	1.2.3	United States
16	N/A	Executable	c6522699c3981de9 cee705084b4c8ffe d44bf69d	4d084f308c7ade8c 734adee72d99da1f	No	1.2.11	1.2.11	United States
17	N/A	Executable	330f9f6da03ae96d fa77dd92aae9a294 ead9c7f7	89f6488524eaa3e5 a66c5f34f3b92405	No	1.2.3	1.2.3	10.108.51.119/32
18	N/A	Executable	deadd315a7b82bb7 8bf52d89dd60cd8f ee6c7441	28f42e1b3c654faa 15ff122cdcbe4629	No	1.2.8	1.2.8	10.108.51.116/32
19	N/A	Executable	cbbce727fd844748 7c7fc68051b24df1 7d043649	d90dad5eea33a178 bac56fff2847d4c2	No	1.2.5	1.2.5	United States
20	N/A	Executable	f13e4eb27d618e03 06e591491aedaa9a 8eb33744	46e6fcf330ae8b68 464ac2d1ae9b26ab	Yes	1.2.3	1.2.3	United States
21	N/A	Executable	2d548001ddf749f9 52582cb75ea3b010 0d98c660	c190e61e2d7f40ce 14625274a07417fb	No	1.2.7	1.2.7	United States
22	N/A	Executable	47878d5403a92497 a14b16317baf0d3c eb00d1d1	d5f6598eea08a809 0a0e765f0712ef33	Yes	1.2.5	1.2.5	10.108.51.119/32
23	N/A	Executable	8fad0b162af4a10b bc36c4957efb7f5a d7be64e5	9a1461ab0aebae65 4320c9f94e7658d6	No	1.2.7	1.2.7	United States
24	N/A	Executable	1523ae71ca322671 022b297e19c8acab e9f2105d	3ecfe1baeab59176 9664567c4e653e6f	No	1.2.1	1.2.1	United States
25	N/A	Executable	f13e4eb27d618e03 06e591491aedaa9a 8eb33744	46e6fcf330ae8b68 464ac2d1ae9b26ab	Yes	1.2.3	1.2.3	10.108.51.216/32
26	N/A	Executable	3cbcee30fc0a7e98 07931bc0dafceb62 7042bfc9	b8a9e91134e7c894 40a0f95470d5e47b	No	1.2.8	1.2.8	United States
27	N/A	Executable	cfecb18f4269b221 4f819b2a2b23808c 61d9dc7b	e79b95020b085192 028d7d3b5cb58a64	No	1.2.11	1.2.11	United States
28	N/A	Executable	1f054caa7e5fb291 444718a90507d5f5 c795b6a9	767dda2bda17096f 825b33fdee0c5eea	No	1.2.8	1.2.8	United States
29	N/A	Executable	3fba62774bc0ff84 e48093092e7b3426 1d22f374	b91f80a75c4d6eed 16cac422fae6efdc	No	1.2.8	1.2.8	United States
30	N/A	Executable	7441908d85d0dd01 8e86014d57f7d920 f374b2ea	49a3388062d672de 7244645a36442173	Yes	1.2.8	1.2.8	United States
31	N/A	Executable	28475b719d94d59b d2d49f6e25571316 0d497122	2e08aee6cfaa50e9 9651b7d2fa293131	No	1.2.8	1.2.8	United States
32	N/A	Executable	8893fe7377aa0c58 ca70a065c3e64955 b5f8880b	3ce46dc86b179fde 726d0108198d81f4	No	1.2.8	1.2.8	United States
33	N/A	Executable	797635043673304a c0a571792f2734ce 677c399c	26134521a09e6f8a 223c427aa30f8884	No	1.2.11	1.2.11	United States
34	N/A	Executable	08277ec1f6cda414 a1d51fa6de426c52 6bb08fb7	7ff2d7c9ad122f76 4b0eba75e75513f1	Yes	1.2.3	1.2.3	United States
35	N/A	Executable	db455443b7bec7cc 59e0a5515ecd0545 47a7c172	ee87ee0b787c1685 f8f871cb1eca06b8	Yes	1.2.2	1.2.2	United States
36	N/A	Executable	47878d5403a92497 a14b16317baf0d3c eb00d1d1	d5f6598eea08a809 0a0e765f0712ef33	Yes	1.2.5	1.2.5	United States
37	N/A	Executable	c75ed9fad0e10b23 2d072e6a6e5b1ae5 cc1376d1	95f66c95d9a8fed6 0c78c8a0d6cb7474	No	1.2.8	1.2.8	10.108.51.194/32
38	N/A	Executable	3780079ab00b6d5c 316d95a1c557486c f604407e	ad2eefc316b62b62 98769c7e1719994a	No	1.2.11	1.2.11	United States
39	N/A	Executable	1954a6b0435904b8 002fa12041195b8e 43d8945d	35ce8374b039845a 76d8b39ceebe2c40	Yes	1.2.8	1.2.8	United States

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How to Remove “ZLIB1.DLL”

What is ZLIB1.DLL?

How to determine if your computer is infected with ZLIB1.DLL malware?